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Schedule III - Real Estate and Accumulated Depreciation and Amortization - Schedule III (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 945,216 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances |  |  |
Land and Land Estates | 755,168 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand |  |  |
Buildings and Improvements | 2,901,446 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements |  |  |
Total | 3,671,560 us-gaap_RealEstateGrossAtCarryingValue | 3,812,294 us-gaap_RealEstateGrossAtCarryingValue | 3,564,466 us-gaap_RealEstateGrossAtCarryingValue | 3,172,246 us-gaap_RealEstateGrossAtCarryingValue
Accumulated Depreciation and Amortization | 795,486 us-gaap_RealEstateAccumulatedDepreciation | 775,617 us-gaap_RealEstateAccumulatedDepreciation | 738,068 us-gaap_RealEstateAccumulatedDepreciation | 638,368 us-gaap_RealEstateAccumulatedDepreciation
Industrial Property [Member] | Anniston, Alabama [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_AnnistonAlabamaMember |  |  |
Land and Land Estates | 1,201 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_AnnistonAlabamaMember |  |  |
Buildings and Improvements | 16,771 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_AnnistonAlabamaMember |  |  |
Total | 17,972 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_AnnistonAlabamaMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_AnnistonAlabamaMember |  |  |
Industrial Property [Member] | Anniston, Alabama [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Anniston, Alabama [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 24 years |  |  |
Industrial Property [Member] | Anniston, Alabama [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Orlando, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Land and Land Estates | 1,030 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Buildings and Improvements | 10,869 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Total | 11,899 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Accumulated Depreciation and Amortization | 2,452 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Tampa, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Land and Land Estates | 2,160 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Buildings and Improvements | 7,347 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Total | 9,507 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Accumulated Depreciation and Amortization | 5,664 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Industrial Property [Member] | Tampa, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Industrial Property [Member] | Tampa, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | McDonough, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 22,512 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Land and Land Estates | 2,463 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Buildings and Improvements | 24,291 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Total | 26,754 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 5,175 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Rantoul, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_RantoulIllinoisMember |  |  |
Land and Land Estates | 1,304 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_RantoulIllinoisMember |  |  |
Buildings and Improvements | 32,562 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_RantoulIllinoisMember |  |  |
Total | 33,866 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_RantoulIllinoisMember |  |  |
Accumulated Depreciation and Amortization | 895 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_RantoulIllinoisMember |  |  |
Industrial Property [Member] | Rantoul, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Rantoul, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Rantoul, Illinois [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 21 years |  |  |
Industrial Property [Member] | Dry Ridge, Kentucky [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 2,351 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DryRidgeKentuckyMember |  |  |
Land and Land Estates | 560 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DryRidgeKentuckyMember |  |  |
Buildings and Improvements | 12,553 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DryRidgeKentuckyMember |  |  |
Total | 13,113 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DryRidgeKentuckyMember |  |  |
Accumulated Depreciation and Amortization | 4,144 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DryRidgeKentuckyMember |  |  |
Industrial Property [Member] | Dry Ridge, Kentucky [Member] | Cross-collateralized [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 22 years |  |  |
Industrial Property [Member] | Dry Ridge, Kentucky [Member] | Cross-collateralized [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY LTL Industrial Acquired Jun-05 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 11,986 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Land and Land Estates | 890 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Buildings and Improvements | 26,868 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Total | 27,758 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Accumulated Depreciation and Amortization | 8,870 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY LTL Industrial Acquired Jun-05 [Member] | Cross-collateralized [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY LTL Industrial Acquired Jun-05 [Member] | Cross-collateralized [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY LTL Industrial Acquired Jun-05, Property 2 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 2,252 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Property2Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Land and Land Estates | 352 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Property2Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Buildings and Improvements | 4,862 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Property2Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Total | 5,214 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Property2Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Accumulated Depreciation and Amortization | 1,605 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ElizabethtownKYLTLIndustrialAcquiredJun05Property2Member / us-gaap_StatementGeographicalAxis = lxp_ElizabethtownKentuckyMember |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY LTL Industrial Acquired Jun-05, Property 2 [Member] | Cross-collateralized [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY LTL Industrial Acquired Jun-05, Property 2 [Member] | Cross-collateralized [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Hopkinsville, Kentucky [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,003 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HopkinsvilleKentuckyMember |  |  |
Land and Land Estates | 631 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HopkinsvilleKentuckyMember |  |  |
Buildings and Improvements | 16,154 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HopkinsvilleKentuckyMember |  |  |
Total | 16,785 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HopkinsvilleKentuckyMember |  |  |
Accumulated Depreciation and Amortization | 5,624 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HopkinsvilleKentuckyMember |  |  |
Industrial Property [Member] | Hopkinsville, Kentucky [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Hopkinsville, Kentucky [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Owensboro, Kentucky [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Land and Land Estates | 819 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Buildings and Improvements | 2,439 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Total | 3,258 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Accumulated Depreciation and Amortization | 782 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Owensboro, Kentucky [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 1,959 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Land and Land Estates | 393 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Buildings and Improvements | 11,956 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Total | 12,349 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Accumulated Depreciation and Amortization | 4,488 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OwensboroKentuckyMember |  |  |
Industrial Property [Member] | Owensboro, Kentucky [Member] | Cross-collateralized [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Owensboro, Kentucky [Member] | Cross-collateralized [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Shreveport, Louisiana [Member] | Shreveport, LA LTL Industrial Acquired Mar-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 19,000 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLALTLIndustrialAcquiredMar07Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Land and Land Estates | 860 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLALTLIndustrialAcquiredMar07Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Buildings and Improvements | 21,840 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLALTLIndustrialAcquiredMar07Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Total | 22,700 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLALTLIndustrialAcquiredMar07Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Accumulated Depreciation and Amortization | 4,254 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLALTLIndustrialAcquiredMar07Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Shreveport, Louisiana [Member] | Shreveport, LA Industrial Acquired Jun-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLAIndustrialAcquiredJun12Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Land and Land Estates | 1,078 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLAIndustrialAcquiredJun12Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Buildings and Improvements | 10,134 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLAIndustrialAcquiredJun12Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Total | 11,212 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLAIndustrialAcquiredJun12Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Accumulated Depreciation and Amortization | 932 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ShreveportLAIndustrialAcquiredJun12Member / us-gaap_StatementGeographicalAxis = lxp_ShreveportLouisianaMember |  |  |
Industrial Property [Member] | Shreveport, Louisiana [Member] | Shreveport, LA Industrial Acquired Jun-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Shreveport, Louisiana [Member] | Shreveport, LA Industrial Acquired Jun-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Shreveport, Louisiana [Member] | Shreveport, LA Industrial Acquired Jun-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Minneapolis, Minnesota [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MinneapolisMinnesotaMember |  |  |
Land and Land Estates | 1,886 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MinneapolisMinnesotaMember |  |  |
Buildings and Improvements | 1,922 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MinneapolisMinnesotaMember |  |  |
Total | 3,808 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MinneapolisMinnesotaMember |  |  |
Accumulated Depreciation and Amortization | 144 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MinneapolisMinnesotaMember |  |  |
Industrial Property [Member] | Minneapolis, Minnesota [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Industrial Property [Member] | Minneapolis, Minnesota [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Minneapolis, Minnesota [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 29 years |  |  |
Industrial Property [Member] | Byhalia, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 15,000 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ByhaliaMississippiMember |  |  |
Land and Land Estates | 1,006 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ByhaliaMississippiMember |  |  |
Buildings and Improvements | 21,483 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ByhaliaMississippiMember |  |  |
Total | 22,489 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ByhaliaMississippiMember |  |  |
Accumulated Depreciation and Amortization | 1,969 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ByhaliaMississippiMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Shelby, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ShelbyNorthCarolinaMember |  |  |
Land and Land Estates | 1,421 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ShelbyNorthCarolinaMember |  |  |
Buildings and Improvements | 18,862 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ShelbyNorthCarolinaMember |  |  |
Total | 20,283 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ShelbyNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 2,473 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ShelbyNorthCarolinaMember |  |  |
Industrial Property [Member] | Shelby, North Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Industrial Property [Member] | Shelby, North Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Shelby, North Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Durham, New Hampshire [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DurhamNewHampshireMember |  |  |
Land and Land Estates | 3,464 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DurhamNewHampshireMember |  |  |
Buildings and Improvements | 18,094 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DurhamNewHampshireMember |  |  |
Total | 21,558 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DurhamNewHampshireMember |  |  |
Accumulated Depreciation and Amortization | 4,759 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DurhamNewHampshireMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | North Las Vegas, Nevada [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthLasVegasNevadaMember |  |  |
Land and Land Estates | 3,244 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthLasVegasNevadaMember |  |  |
Buildings and Improvements | 21,732 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthLasVegasNevadaMember |  |  |
Total | 24,976 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthLasVegasNevadaMember |  |  |
Accumulated Depreciation and Amortization | 421 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthLasVegasNevadaMember |  |  |
Industrial Property [Member] | North Las Vegas, Nevada [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 19 years |  |  |
Industrial Property [Member] | North Las Vegas, Nevada [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | North Las Vegas, Nevada [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Long Island City, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LongIslandCityNewYorkMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LongIslandCityNewYorkMember |  |  |
Buildings and Improvements | 42,624 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LongIslandCityNewYorkMember |  |  |
Total | 42,624 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LongIslandCityNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 5,200 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LongIslandCityNewYorkMember |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Chillicothe, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChillicotheOhioMember |  |  |
Land and Land Estates | 735 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChillicotheOhioMember |  |  |
Buildings and Improvements | 9,021 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChillicotheOhioMember |  |  |
Total | 9,756 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChillicotheOhioMember |  |  |
Accumulated Depreciation and Amortization | 1,442 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChillicotheOhioMember |  |  |
Industrial Property [Member] | Chillicothe, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Industrial Property [Member] | Chillicothe, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 26 years |  |  |
Industrial Property [Member] | Chillicothe, Ohio [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Cincinnati, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CincinnatiOhioMember |  |  |
Land and Land Estates | 1,049 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CincinnatiOhioMember |  |  |
Buildings and Improvements | 8,784 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CincinnatiOhioMember |  |  |
Total | 9,833 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CincinnatiOhioMember |  |  |
Accumulated Depreciation and Amortization | 1,835 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CincinnatiOhioMember |  |  |
Industrial Property [Member] | Cincinnati, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Cincinnati, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Cincinnati, Ohio [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Industrial Property [Member] | Columbus, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Land and Land Estates | 1,990 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Buildings and Improvements | 10,580 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Total | 12,570 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Accumulated Depreciation and Amortization | 2,783 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Glenwillow, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 15,583 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_GlenwillowOhioMember |  |  |
Land and Land Estates | 2,228 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_GlenwillowOhioMember |  |  |
Buildings and Improvements | 24,530 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_GlenwillowOhioMember |  |  |
Total | 26,758 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_GlenwillowOhioMember |  |  |
Accumulated Depreciation and Amortization | 5,340 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_GlenwillowOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Bristol, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BristolPennsylvaniaMember |  |  |
Land and Land Estates | 2,508 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BristolPennsylvaniaMember |  |  |
Buildings and Improvements | 15,863 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BristolPennsylvaniaMember |  |  |
Total | 18,371 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BristolPennsylvaniaMember |  |  |
Accumulated Depreciation and Amortization | 5,461 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BristolPennsylvaniaMember |  |  |
Industrial Property [Member] | Bristol, Pennsylvania [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Bristol, Pennsylvania [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Bristol, Pennsylvania [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Industrial Property [Member] | Bristol, Pennsylvania [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Industrial Property [Member] | Chester, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,387 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChesterSouthCarolinaMember |  |  |
Land and Land Estates | 1,629 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChesterSouthCarolinaMember |  |  |
Buildings and Improvements | 8,470 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChesterSouthCarolinaMember |  |  |
Total | 10,099 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChesterSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 722 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ChesterSouthCarolinaMember |  |  |
Industrial Property [Member] | Chester, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Industrial Property [Member] | Chester, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 34 years |  |  |
Industrial Property [Member] | Chester, South Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Industrial Property [Member] | Crossville, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CrossvilleTennesseeMember |  |  |
Land and Land Estates | 545 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CrossvilleTennesseeMember |  |  |
Buildings and Improvements | 6,999 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CrossvilleTennesseeMember |  |  |
Total | 7,544 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CrossvilleTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 3,159 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_CrossvilleTennesseeMember |  |  |
Industrial Property [Member] | Crossville, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 17 years |  |  |
Industrial Property [Member] | Crossville, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Lewisburg, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LewisburgTennesseeMember |  |  |
Land and Land Estates | 173 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LewisburgTennesseeMember |  |  |
Buildings and Improvements | 10,865 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LewisburgTennesseeMember |  |  |
Total | 11,038 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LewisburgTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 226 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LewisburgTennesseeMember |  |  |
Industrial Property [Member] | Lewisburg, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Industrial Property [Member] | Lewisburg, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 34 years |  |  |
Industrial Property [Member] | Lewisburg, Tennessee [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 18 years |  |  |
Industrial Property [Member] | Eau Claire, Wisconsin [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_EauClaireWisconsinMember |  |  |
Land and Land Estates | 421 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_EauClaireWisconsinMember |  |  |
Buildings and Improvements | 5,590 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_EauClaireWisconsinMember |  |  |
Total | 6,011 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_EauClaireWisconsinMember |  |  |
Accumulated Depreciation and Amortization | 556 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_EauClaireWisconsinMember |  |  |
Industrial Property [Member] | Eau Claire, Wisconsin [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Eau Claire, Wisconsin [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 28 years |  |  |
Industrial Property [Member] | Eau Claire, Wisconsin [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Lavonia, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,959 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LavoniaGeorgiaMember |  |  |
Land and Land Estates | 171 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LavoniaGeorgiaMember |  |  |
Buildings and Improvements | 7,657 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LavoniaGeorgiaMember |  |  |
Total | 7,828 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LavoniaGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 505 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LavoniaGeorgiaMember |  |  |
Industrial Property [Member] | Lavonia, Georgia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Lavonia, Georgia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Lavonia, Georgia [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Industrial Property [Member] | Memphis, Tennessee [Member] | Memphis, TN Industrial Acquired Feb-88 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredFeb88Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Land and Land Estates | 1,054 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredFeb88Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Buildings and Improvements | 11,538 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredFeb88Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Total | 12,592 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredFeb88Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 11,390 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredFeb88Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Industrial Property [Member] | Memphis, Tennessee [Member] | Memphis, TN Industrial Acquired Feb-88 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Memphis, Tennessee [Member] | Memphis, TN Industrial Acquired Feb-88 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Memphis, Tennessee [Member] | Memphis, TN Industrial Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Land and Land Estates | 1,553 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Buildings and Improvements | 12,326 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Total | 13,879 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 3,033 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Moody, Alabama [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MoodyAlabamaMember |  |  |
Land and Land Estates | 654 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MoodyAlabamaMember |  |  |
Buildings and Improvements | 9,943 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MoodyAlabamaMember |  |  |
Total | 10,597 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MoodyAlabamaMember |  |  |
Accumulated Depreciation and Amortization | 5,683 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MoodyAlabamaMember |  |  |
Industrial Property [Member] | Moody, Alabama [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Moody, Alabama [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Jacksonville, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_JacksonvilleFloridaMember |  |  |
Land and Land Estates | 573 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_JacksonvilleFloridaMember |  |  |
Buildings and Improvements | 1,592 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_JacksonvilleFloridaMember |  |  |
Total | 2,165 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_JacksonvilleFloridaMember |  |  |
Accumulated Depreciation and Amortization | 451 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_JacksonvilleFloridaMember |  |  |
Industrial Property [Member] | Jacksonville, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Industrial Property [Member] | Jacksonville, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Des Moines, Iowa [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DesMoinesIowaMember |  |  |
Land and Land Estates | 1,528 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DesMoinesIowaMember |  |  |
Buildings and Improvements | 14,247 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DesMoinesIowaMember |  |  |
Total | 15,775 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DesMoinesIowaMember |  |  |
Accumulated Depreciation and Amortization | 1,367 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DesMoinesIowaMember |  |  |
Industrial Property [Member] | Des Moines, Iowa [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Des Moines, Iowa [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 34 years |  |  |
Industrial Property [Member] | Des Moines, Iowa [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Industrial Property [Member] | Dubuque, Iowa [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,303 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DubuqueIowaMember |  |  |
Land and Land Estates | 2,052 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DubuqueIowaMember |  |  |
Buildings and Improvements | 8,443 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DubuqueIowaMember |  |  |
Total | 10,495 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DubuqueIowaMember |  |  |
Accumulated Depreciation and Amortization | 2,530 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DubuqueIowaMember |  |  |
Industrial Property [Member] | Dubuque, Iowa [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Industrial Property [Member] | Dubuque, Iowa [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Dubuque, Iowa [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Industrial Property [Member] | Rockford, Illinois [Member] | Rockford, IL Industrial Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Land and Land Estates | 371 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Buildings and Improvements | 2,573 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Total | 2,944 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Accumulated Depreciation and Amortization | 604 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Rockford, Illinois [Member] | Rockford, IL Industrial Acquired Dec-06, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Land and Land Estates | 509 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Buildings and Improvements | 5,289 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Total | 5,798 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Accumulated Depreciation and Amortization | 1,160 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockfordILIndustrialAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_RockfordIllinoisMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Plymouth, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 5,928 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthIndianaMember |  |  |
Land and Land Estates | 254 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthIndianaMember |  |  |
Buildings and Improvements | 7,969 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthIndianaMember |  |  |
Total | 8,223 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthIndianaMember |  |  |
Accumulated Depreciation and Amortization | 686 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthIndianaMember |  |  |
Industrial Property [Member] | Plymouth, Indiana [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Industrial Property [Member] | Plymouth, Indiana [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 34 years |  |  |
Industrial Property [Member] | Plymouth, Indiana [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Industrial Property [Member] | North Berwick, Maine [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 6,145 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthBerwickMaineMember |  |  |
Land and Land Estates | 1,383 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthBerwickMaineMember |  |  |
Buildings and Improvements | 32,397 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthBerwickMaineMember |  |  |
Total | 33,780 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthBerwickMaineMember |  |  |
Accumulated Depreciation and Amortization | 6,775 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_NorthBerwickMaineMember |  |  |
Industrial Property [Member] | North Berwick, Maine [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | North Berwick, Maine [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Kalamazoo, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 15,295 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_KalamazooMichiganMember |  |  |
Land and Land Estates | 1,942 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_KalamazooMichiganMember |  |  |
Buildings and Improvements | 14,169 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_KalamazooMichiganMember |  |  |
Total | 16,111 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_KalamazooMichiganMember |  |  |
Accumulated Depreciation and Amortization | 1,328 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_KalamazooMichiganMember |  |  |
Industrial Property [Member] | Kalamazoo, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Kalamazoo, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Kalamazoo, Michigan [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Land and Land Estates | 143 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Buildings and Improvements | 4,302 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Total | 4,445 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Accumulated Depreciation and Amortization | 1,103 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Sep-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Sep-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Sep-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredAug87Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Land and Land Estates | 40 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredAug87Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Buildings and Improvements | 2,236 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredAug87Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Total | 2,276 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredAug87Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Accumulated Depreciation and Amortization | 700 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MarshallMIIndustrialAcquiredAug87Member / us-gaap_StatementGeographicalAxis = lxp_MarshallMichiganMember |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Aug-87 [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Plymouth, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthMichiganMember |  |  |
Land and Land Estates | 2,296 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthMichiganMember |  |  |
Buildings and Improvements | 13,608 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthMichiganMember |  |  |
Total | 15,904 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthMichiganMember |  |  |
Accumulated Depreciation and Amortization | 4,641 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_PlymouthMichiganMember |  |  |
Industrial Property [Member] | Plymouth, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Industrial Property [Member] | Plymouth, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Temperance, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TemperanceMichiganMember |  |  |
Land and Land Estates | 3,040 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TemperanceMichiganMember |  |  |
Buildings and Improvements | 14,924 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TemperanceMichiganMember |  |  |
Total | 17,964 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TemperanceMichiganMember |  |  |
Accumulated Depreciation and Amortization | 3,768 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_TemperanceMichiganMember |  |  |
Industrial Property [Member] | Temperance, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Industrial Property [Member] | Temperance, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Temperance, Michigan [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Olive Branch, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OliveBranchMississippiMember |  |  |
Land and Land Estates | 198 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OliveBranchMississippiMember |  |  |
Buildings and Improvements | 10,276 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OliveBranchMississippiMember |  |  |
Total | 10,474 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OliveBranchMississippiMember |  |  |
Accumulated Depreciation and Amortization | 6,515 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_OliveBranchMississippiMember |  |  |
Industrial Property [Member] | Olive Branch, Mississippi [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Olive Branch, Mississippi [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Olive Branch, Mississippi [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Franklin, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 67 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinNorthCarolinaMember |  |  |
Land and Land Estates | 296 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinNorthCarolinaMember |  |  |
Buildings and Improvements | 1,320 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinNorthCarolinaMember |  |  |
Total | 1,616 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 151 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinNorthCarolinaMember |  |  |
Industrial Property [Member] | Franklin, North Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Industrial Property [Member] | Franklin, North Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 29 years |  |  |
Industrial Property [Member] | Franklin, North Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Henderson, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HendersonNorthCarolinaMember |  |  |
Land and Land Estates | 1,488 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HendersonNorthCarolinaMember |  |  |
Buildings and Improvements | 5,953 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HendersonNorthCarolinaMember |  |  |
Total | 7,441 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HendersonNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 1,953 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HendersonNorthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | High Point, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HighPointNorthCarolinaMember |  |  |
Land and Land Estates | 1,330 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HighPointNorthCarolinaMember |  |  |
Buildings and Improvements | 11,183 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HighPointNorthCarolinaMember |  |  |
Total | 12,513 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HighPointNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 5,192 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_HighPointNorthCarolinaMember |  |  |
Industrial Property [Member] | High Point, North Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 18 years |  |  |
Industrial Property [Member] | High Point, North Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Lumberton, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LumbertonNorthCarolinaMember |  |  |
Land and Land Estates | 405 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LumbertonNorthCarolinaMember |  |  |
Buildings and Improvements | 12,049 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LumbertonNorthCarolinaMember |  |  |
Total | 12,454 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LumbertonNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 3,101 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LumbertonNorthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Statesville, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StatesvilleNorthCarolinaMember |  |  |
Land and Land Estates | 891 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StatesvilleNorthCarolinaMember |  |  |
Buildings and Improvements | 16,771 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StatesvilleNorthCarolinaMember |  |  |
Total | 17,662 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StatesvilleNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 4,164 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StatesvilleNorthCarolinaMember |  |  |
Industrial Property [Member] | Statesville, North Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Industrial Property [Member] | Statesville, North Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Statesville, North Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Erwin, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 8,311 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ErwinNewYorkMember |  |  |
Land and Land Estates | 1,648 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ErwinNewYorkMember |  |  |
Buildings and Improvements | 10,810 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ErwinNewYorkMember |  |  |
Total | 12,458 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ErwinNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 951 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ErwinNewYorkMember |  |  |
Industrial Property [Member] | Erwin, New York [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Industrial Property [Member] | Erwin, New York [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 34 years |  |  |
Industrial Property [Member] | Erwin, New York [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec97Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Land and Land Estates | 1,063 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec97Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Buildings and Improvements | 4,271 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec97Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Total | 5,334 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec97Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Accumulated Depreciation and Amortization | 1,393 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec97Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec01Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Land and Land Estates | 1,681 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec01Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Buildings and Improvements | 7,224 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec01Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Total | 8,905 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec01Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Accumulated Depreciation and Amortization | 2,641 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HebronOHIndustrialAcquiredDec01Member / us-gaap_StatementGeographicalAxis = lxp_HebronOhioMember |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Streetsboro, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 17,910 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StreetsboroOhioMember |  |  |
Land and Land Estates | 2,441 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StreetsboroOhioMember |  |  |
Buildings and Improvements | 25,092 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StreetsboroOhioMember |  |  |
Total | 27,533 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StreetsboroOhioMember |  |  |
Accumulated Depreciation and Amortization | 6,452 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_StreetsboroOhioMember |  |  |
Industrial Property [Member] | Streetsboro, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Industrial Property [Member] | Streetsboro, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Streetsboro, Ohio [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Streetsboro, Ohio [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Duncan, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DuncanSouthCarolinaMember |  |  |
Land and Land Estates | 884 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DuncanSouthCarolinaMember |  |  |
Buildings and Improvements | 8,626 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DuncanSouthCarolinaMember |  |  |
Total | 9,510 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DuncanSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 1,716 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_DuncanSouthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Laurens, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LaurensSouthCarolinaMember |  |  |
Land and Land Estates | 5,552 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LaurensSouthCarolinaMember |  |  |
Buildings and Improvements | 21,177 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LaurensSouthCarolinaMember |  |  |
Total | 26,729 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LaurensSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 5,438 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_LaurensSouthCarolinaMember |  |  |
Industrial Property [Member] | Laurens, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Industrial Property [Member] | Laurens, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Laurens, South Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Collierville, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColliervilleTennesseeMember |  |  |
Land and Land Estates | 714 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColliervilleTennesseeMember |  |  |
Buildings and Improvements | 4,783 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColliervilleTennesseeMember |  |  |
Total | 5,497 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColliervilleTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 1,588 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_ColliervilleTennesseeMember |  |  |
Industrial Property [Member] | Collierville, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Industrial Property [Member] | Collierville, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Collierville, Tennessee [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Industrial Property [Member] | Collierville, Tennessee [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 21 years |  |  |
Industrial Property [Member] | Franklin, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinTennesseeMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinTennesseeMember |  |  |
Buildings and Improvements | 5,673 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinTennesseeMember |  |  |
Total | 5,673 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 1,172 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_FranklinTennesseeMember |  |  |
Industrial Property [Member] | Franklin, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Industrial Property [Member] | Franklin, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Industrial Property [Member] | Franklin, Tennessee [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Industrial Property [Member] | Millington, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MillingtonTennesseeMember |  |  |
Land and Land Estates | 723 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MillingtonTennesseeMember |  |  |
Buildings and Improvements | 19,383 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MillingtonTennesseeMember |  |  |
Total | 20,106 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MillingtonTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 9,234 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_MillingtonTennesseeMember |  |  |
Industrial Property [Member] | Millington, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Industrial Property [Member] | Millington, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Millington, Tennessee [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Millington, Tennessee [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Industrial Property [Member] | Waxahachie, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WaxahachieTexasMember |  |  |
Land and Land Estates | 652 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WaxahachieTexasMember |  |  |
Buildings and Improvements | 13,045 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WaxahachieTexasMember |  |  |
Total | 13,697 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WaxahachieTexasMember |  |  |
Accumulated Depreciation and Amortization | 9,558 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WaxahachieTexasMember |  |  |
Industrial Property [Member] | Waxahachie, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Waxahachie, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Waxahachie, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Industrial Property [Member] | Winchester, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WinchesterVirginiaMember |  |  |
Land and Land Estates | 3,823 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WinchesterVirginiaMember |  |  |
Buildings and Improvements | 12,276 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WinchesterVirginiaMember |  |  |
Total | 16,099 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WinchesterVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 3,081 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_WinchesterVirginiaMember |  |  |
Industrial Property [Member] | Winchester, Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Industrial Property [Member] | Winchester, Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Bingen, Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BingenWashingtonMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BingenWashingtonMember |  |  |
Buildings and Improvements | 18,075 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BingenWashingtonMember |  |  |
Total | 18,075 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BingenWashingtonMember |  |  |
Accumulated Depreciation and Amortization | 543 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_IndustrialPropertyMember / us-gaap_StatementGeographicalAxis = lxp_BingenWashingtonMember |  |  |
Industrial Property [Member] | Bingen, Washington [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Bingen, Washington [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Bingen, Washington [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Multi-tenanted [Member] | Phoenix, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Land and Land Estates | 1,831 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Buildings and Improvements | 14,892 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Total | 16,723 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Accumulated Depreciation and Amortization | 2,715 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Multi-tenanted [Member] | Phoenix, Arizona [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Multi-tenanted [Member] | Phoenix, Arizona [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Arlington, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Land and Land Estates | 589 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Buildings and Improvements | 6,382 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Total | 6,971 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Accumulated Depreciation and Amortization | 663 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Multi-tenanted [Member] | Arlington, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Multi-tenanted [Member] | Arlington, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Arlington, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Multi-tenanted [Member] | Palm Beach Gardens, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Land and Land Estates | 4,066 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Buildings and Improvements | 19,915 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Total | 23,981 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Accumulated Depreciation and Amortization | 6,331 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Multi-tenanted [Member] | Palm Beach Gardens, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Multi-tenanted [Member] | Palm Beach Gardens, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Florence, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Land and Land Estates | 3,235 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Buildings and Improvements | 13,081 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Total | 16,316 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 4,203 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Multi-tenanted [Member] | Florence, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Multi-tenanted [Member] | Florence, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Florence, South Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Multi-tenanted [Member] | Honolulu, Hawaii [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_HonoluluHawaiiMember |  |  |
Land and Land Estates | 8,259 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_HonoluluHawaiiMember |  |  |
Buildings and Improvements | 7,363 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_HonoluluHawaiiMember |  |  |
Total | 15,622 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_HonoluluHawaiiMember |  |  |
Accumulated Depreciation and Amortization | 1,529 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_HonoluluHawaiiMember |  |  |
Multi-tenanted [Member] | Honolulu, Hawaii [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Multi-tenanted [Member] | Honolulu, Hawaii [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Honolulu, Hawaii [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Multi-tenanted [Member] | Baltimore, Maryland [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 55,000 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BaltimoreMarylandMember |  |  |
Land and Land Estates | 37,564 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BaltimoreMarylandMember |  |  |
Buildings and Improvements | 156,557 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BaltimoreMarylandMember |  |  |
Total | 194,121 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BaltimoreMarylandMember |  |  |
Accumulated Depreciation and Amortization | 46,609 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BaltimoreMarylandMember |  |  |
Multi-tenanted [Member] | Baltimore, Maryland [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Multi-tenanted [Member] | Baltimore, Maryland [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Bridgeton, Missouri [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgetonMissouriMember |  |  |
Land and Land Estates | 603 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgetonMissouriMember |  |  |
Buildings and Improvements | 1,142 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgetonMissouriMember |  |  |
Total | 1,745 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgetonMissouriMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgetonMissouriMember |  |  |
Useful life computing depreciation in latest income statement (years) | 32 years |  |  |
Multi-tenanted [Member] | Bridgewater, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 14,118 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgewaterNewJerseyMember |  |  |
Land and Land Estates | 1,415 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgewaterNewJerseyMember |  |  |
Buildings and Improvements | 6,802 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgewaterNewJerseyMember |  |  |
Total | 8,217 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgewaterNewJerseyMember |  |  |
Accumulated Depreciation and Amortization | 225 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_BridgewaterNewJerseyMember |  |  |
Multi-tenanted [Member] | Bridgewater, New Jersey [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Multi-tenanted [Member] | Bridgewater, New Jersey [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Bridgewater, New Jersey [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Multi-tenanted [Member] | Rochester, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 17,257 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_RochesterNewYorkMember |  |  |
Land and Land Estates | 164 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_RochesterNewYorkMember |  |  |
Buildings and Improvements | 5,304 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_RochesterNewYorkMember |  |  |
Total | 5,468 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_RochesterNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 136 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_RochesterNewYorkMember |  |  |
Multi-tenanted [Member] | Rochester, New York [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Multi-tenanted [Member] | Rochester, New York [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 33 years |  |  |
Multi-tenanted [Member] | Rochester, New York [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Multi-tenanted [Member] | Rochester, New York [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Multi-tenanted [Member] | Rochester, New York [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Multi-tenanted [Member] | Canonsburg, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_CanonsburgPennsylvaniaMember |  |  |
Land and Land Estates | 1,055 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_CanonsburgPennsylvaniaMember |  |  |
Buildings and Improvements | 10,910 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_CanonsburgPennsylvaniaMember |  |  |
Total | 11,965 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_CanonsburgPennsylvaniaMember |  |  |
Accumulated Depreciation and Amortization | 3,831 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_CanonsburgPennsylvaniaMember |  |  |
Multi-tenanted [Member] | Canonsburg, Pennsylvania [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Multi-tenanted [Member] | Canonsburg, Pennsylvania [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Antioch, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_AntiochTennesseeMember |  |  |
Land and Land Estates | 3,847 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_AntiochTennesseeMember |  |  |
Buildings and Improvements | 10,043 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_AntiochTennesseeMember |  |  |
Total | 13,890 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_AntiochTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 1,411 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_StatementGeographicalAxis = lxp_AntiochTennesseeMember |  |  |
Multi-tenanted [Member] | Antioch, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Multi-tenanted [Member] | Antioch, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 30,388 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Land and Land Estates | 3,052 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Buildings and Improvements | 5,210 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Total | 8,262 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07 [Member] | Cross-collateralized [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07 [Member] | Cross-collateralized [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 32 years |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07 [Member] | Cross-collateralized [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07, Property 2 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Land and Land Estates | 3,732 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Buildings and Improvements | 6,213 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Total | 9,945 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_MultitenantedMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IssaquahWAMultitenantedAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_IssaquahWashingtonMember |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07, Property 2 [Member] | Cross-collateralized [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Multi-tenanted [Member] | Issaquah, Washington [Member] | Issaquah, WA Multi-tenanted Acquired Jun-07, Property 2 [Member] | Cross-collateralized [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 32 years |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ LTL Office Property, Acquired Dec-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZLTLOfficePropertyAcquiredDec12Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Land and Land Estates | 5,585 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZLTLOfficePropertyAcquiredDec12Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Buildings and Improvements | 36,099 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZLTLOfficePropertyAcquiredDec12Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Total | 41,684 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZLTLOfficePropertyAcquiredDec12Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Accumulated Depreciation and Amortization | 2,167 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZLTLOfficePropertyAcquiredDec12Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ LTL Office Property, Acquired Dec-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ LTL Office Property, Acquired Dec-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ LTL Office Property, Acquired Dec-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 17 years |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ Office Property acquired May-00 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZOfficePropertyacquiredMay00Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Land and Land Estates | 4,666 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZOfficePropertyacquiredMay00Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Buildings and Improvements | 24,856 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZOfficePropertyacquiredMay00Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Total | 29,522 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZOfficePropertyacquiredMay00Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Accumulated Depreciation and Amortization | 8,495 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_PhoenixAZOfficePropertyacquiredMay00Member / us-gaap_StatementGeographicalAxis = lxp_PhoenixArizonaMember |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ Office Property acquired May-00 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ Office Property acquired May-00 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Phoenix, Arizona [Member] | Phoenix, AZ Office Property acquired May-00 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ LTL Office Acquired Dec-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,344 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZLTLOfficeAcquiredDec05Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZLTLOfficeAcquiredDec05Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Buildings and Improvements | 9,442 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZLTLOfficeAcquiredDec05Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Total | 9,442 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZLTLOfficeAcquiredDec05Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Accumulated Depreciation and Amortization | 2,597 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZLTLOfficeAcquiredDec05Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ LTL Office Acquired Dec-05 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ LTL Office Acquired Dec-05 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Buildings and Improvements | 12,461 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Total | 12,461 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Accumulated Depreciation and Amortization | 1,015 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TempeAZOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_TempeArizonaMember |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 36 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Los Angeles, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,843 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LosAngelesCaliforniaMember |  |  |
Land and Land Estates | 5,110 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LosAngelesCaliforniaMember |  |  |
Buildings and Improvements | 12,158 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LosAngelesCaliforniaMember |  |  |
Total | 17,268 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LosAngelesCaliforniaMember |  |  |
Accumulated Depreciation and Amortization | 6,493 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LosAngelesCaliforniaMember |  |  |
Office Building [Member] | Los Angeles, California [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Los Angeles, California [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Los Angeles, California [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Englewood, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EnglewoodColoradoMember |  |  |
Land and Land Estates | 2,207 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EnglewoodColoradoMember |  |  |
Buildings and Improvements | 27,851 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EnglewoodColoradoMember |  |  |
Total | 30,058 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EnglewoodColoradoMember |  |  |
Accumulated Depreciation and Amortization | 1,818 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EnglewoodColoradoMember |  |  |
Office Building [Member] | Englewood, Colorado [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Englewood, Colorado [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Englewood, Colorado [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 19 years |  |  |
Office Building [Member] | Louisville, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LouisvilleColoradoMember |  |  |
Land and Land Estates | 3,657 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LouisvilleColoradoMember |  |  |
Buildings and Improvements | 9,605 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LouisvilleColoradoMember |  |  |
Total | 13,262 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LouisvilleColoradoMember |  |  |
Accumulated Depreciation and Amortization | 2,574 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LouisvilleColoradoMember |  |  |
Office Building [Member] | Louisville, Colorado [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Office Building [Member] | Louisville, Colorado [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Louisville, Colorado [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Office Building [Member] | Parachute, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ParachuteColoradoMember |  |  |
Land and Land Estates | 1,400 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ParachuteColoradoMember |  |  |
Buildings and Improvements | 10,751 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ParachuteColoradoMember |  |  |
Total | 12,151 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ParachuteColoradoMember |  |  |
Accumulated Depreciation and Amortization | 278 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ParachuteColoradoMember |  |  |
Office Building [Member] | Parachute, Colorado [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 19 years |  |  |
Office Building [Member] | Parachute, Colorado [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Parachute, Colorado [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 24 years |  |  |
Office Building [Member] | Orlando, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Land and Land Estates | 11,498 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Buildings and Improvements | 66,996 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Total | 78,494 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Accumulated Depreciation and Amortization | 38,974 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Office Building [Member] | Orlando, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Asset Component 5 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Jan-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,602 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredJan07Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Land and Land Estates | 3,538 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredJan07Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Buildings and Improvements | 9,708 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredJan07Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Total | 13,246 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredJan07Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Accumulated Depreciation and Amortization | 4,681 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredJan07Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Jan-07 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Jan-07 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Jan-07 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Jan-07 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Jan-07 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Orlando, Florida [Member] | Orlando, FL Office Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Land and Land Estates | 586 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Buildings and Improvements | 35,012 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Total | 35,598 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Accumulated Depreciation and Amortization | 7,267 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OrlandoFLOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_OrlandoFloridaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Tampa, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Land and Land Estates | 2,018 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Buildings and Improvements | 7,950 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Total | 9,968 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Accumulated Depreciation and Amortization | 924 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Office Building [Member] | Tampa, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 27 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Land and Land Estates | 895 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Buildings and Improvements | 5,496 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Total | 6,391 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Accumulated Depreciation and Amortization | 168 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 38 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property2Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Land and Land Estates | 146 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property2Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Buildings and Improvements | 559 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property2Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Total | 705 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property2Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Accumulated Depreciation and Amortization | 19 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property2Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 2 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 2 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 35 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property3Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Land and Land Estates | 398 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property3Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Buildings and Improvements | 1,571 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property3Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Total | 1,969 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property3Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Accumulated Depreciation and Amortization | 45 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_TampaFLLTLOfficeAcquiredDec13Property3Member / us-gaap_StatementGeographicalAxis = lxp_TampaFloridaMember |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 3 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 3 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Tampa, Florida [Member] | Tampa, FL LTL Office Acquired Dec-13, Property 3 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA LTL Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 11,466 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGALTLOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Land and Land Estates | 1,443 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGALTLOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Buildings and Improvements | 11,234 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGALTLOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Total | 12,677 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGALTLOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 1,046 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGALTLOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA LTL Office Acquired Sep-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA LTL Office Acquired Sep-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 38 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA LTL Office Acquired Sep-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGAOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Land and Land Estates | 693 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGAOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Buildings and Improvements | 6,405 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGAOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Total | 7,098 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGAOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 601 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_McDonoughGAOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_McDonoughGeorgiaMember |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS LTL Office Acquired Jul-08 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 38,296 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSLTLOfficeAcquiredJul08Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Land and Land Estates | 6,909 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSLTLOfficeAcquiredJul08Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Buildings and Improvements | 41,693 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSLTLOfficeAcquiredJul08Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Total | 48,602 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSLTLOfficeAcquiredJul08Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Accumulated Depreciation and Amortization | 9,602 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSLTLOfficeAcquiredJul08Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS LTL Office Acquired Jul-08 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS LTL Office Acquired Jul-08 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS LTL Office Acquired Jul-08 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS LTL Office Acquired Jul-08 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS LTL Office Acquired Jul-08 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,854 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Land and Land Estates | 2,828 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Buildings and Improvements | 6,075 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Total | 8,903 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Accumulated Depreciation and Amortization | 673 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LenexaKSOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_LexenaKansasMember |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS Office Acquired Sep-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS Office Acquired Sep-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 37 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS Office Acquired Sep-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Saint Joseph, Missouri [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SaintJosephMissouriMember |  |  |
Land and Land Estates | 607 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SaintJosephMissouriMember |  |  |
Buildings and Improvements | 14,004 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SaintJosephMissouriMember |  |  |
Total | 14,611 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SaintJosephMissouriMember |  |  |
Accumulated Depreciation and Amortization | 1,030 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SaintJosephMissouriMember |  |  |
Office Building [Member] | Saint Joseph, Missouri [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Saint Joseph, Missouri [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE LTL Office Acquired Dec-13 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Land and Land Estates | 2,058 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Buildings and Improvements | 32,343 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Total | 34,401 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Accumulated Depreciation and Amortization | 964 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE LTL Office Acquired Dec-13 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE LTL Office Acquired Dec-13 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE LTL Office Acquired Nov-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,776 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredNov05Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Land and Land Estates | 2,566 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredNov05Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Buildings and Improvements | 8,324 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredNov05Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Total | 10,890 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredNov05Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Accumulated Depreciation and Amortization | 2,310 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_OmahaNELTLOfficeAcquiredNov05Member / us-gaap_StatementGeographicalAxis = lxp_OmahaNebraskaMember |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE LTL Office Acquired Nov-05 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE LTL Office Acquired Nov-05 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Rockaway, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RockawayNewJerseyMember |  |  |
Land and Land Estates | 4,646 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RockawayNewJerseyMember |  |  |
Buildings and Improvements | 20,467 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RockawayNewJerseyMember |  |  |
Total | 25,113 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RockawayNewJerseyMember |  |  |
Accumulated Depreciation and Amortization | 5,143 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RockawayNewJerseyMember |  |  |
Office Building [Member] | Rockaway, New Jersey [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Rockaway, New Jersey [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Las Vegas, Nevada [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LasVegasNevadaMember |  |  |
Land and Land Estates | 12,099 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LasVegasNevadaMember |  |  |
Buildings and Improvements | 53,164 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LasVegasNevadaMember |  |  |
Total | 65,263 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LasVegasNevadaMember |  |  |
Accumulated Depreciation and Amortization | 10,870 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LasVegasNevadaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Columbus, Ohio [Member] | Columbus, OH Office Acquired Dec-10 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredDec10Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Land and Land Estates | 1,594 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredDec10Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Buildings and Improvements | 10,481 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredDec10Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Total | 12,075 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredDec10Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Accumulated Depreciation and Amortization | 1,048 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredDec10Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Columbus, Ohio [Member] | Columbus, OH Office Acquired Jul-11 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredJul11Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Land and Land Estates | 432 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredJul11Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Buildings and Improvements | 2,773 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredJul11Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Total | 3,205 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredJul11Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Accumulated Depreciation and Amortization | 243 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_ColumbusOHOfficeAcquiredJul11Member / us-gaap_StatementGeographicalAxis = lxp_ColumbusOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Eugene, Oregon [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EugeneOregonMember |  |  |
Land and Land Estates | 1,541 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EugeneOregonMember |  |  |
Buildings and Improvements | 13,098 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EugeneOregonMember |  |  |
Total | 14,639 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EugeneOregonMember |  |  |
Accumulated Depreciation and Amortization | 916 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_EugeneOregonMember |  |  |
Office Building [Member] | Eugene, Oregon [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Eugene, Oregon [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Eugene, Oregon [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Eugene, Oregon [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Eugene, Oregon [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Office Building [Member] | Jessup, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_JessupPennsylvaniaMember |  |  |
Land and Land Estates | 2,520 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_JessupPennsylvaniaMember |  |  |
Buildings and Improvements | 17,678 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_JessupPennsylvaniaMember |  |  |
Total | 20,198 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_JessupPennsylvaniaMember |  |  |
Accumulated Depreciation and Amortization | 1,691 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_JessupPennsylvaniaMember |  |  |
Office Building [Member] | Jessup, Pennsylvania [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Jessup, Pennsylvania [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Jessup, Pennsylvania [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Rock Hill, South Carolina [Member] | Rock Hill, SC LTL Office Acquired Mar-14 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCLTLOfficeAcquiredMar14Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Land and Land Estates | 1,601 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCLTLOfficeAcquiredMar14Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Buildings and Improvements | 18,989 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCLTLOfficeAcquiredMar14Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Total | 20,590 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCLTLOfficeAcquiredMar14Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 464 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCLTLOfficeAcquiredMar14Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Office Building [Member] | Rock Hill, South Carolina [Member] | Rock Hill, SC LTL Office Acquired Mar-14 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 18 years |  |  |
Office Building [Member] | Rock Hill, South Carolina [Member] | Rock Hill, SC LTL Office Acquired Mar-14 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Rock Hill, South Carolina [Member] | Rock Hill, SC LTL Office Acquired Mar-14 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Rock Hill, South Carolina [Member] | Rock Hill, SC Office Acquired May-11 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCOfficeAcquiredMay11Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Land and Land Estates | 551 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCOfficeAcquiredMay11Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Buildings and Improvements | 4,313 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCOfficeAcquiredMay11Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Total | 4,864 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCOfficeAcquiredMay11Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 395 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_RockHillSCOfficeAcquiredMay11Member / us-gaap_StatementGeographicalAxis = lxp_RockHillSouthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Allen, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_AllenTexasMember |  |  |
Land and Land Estates | 5,591 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_AllenTexasMember |  |  |
Buildings and Improvements | 25,421 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_AllenTexasMember |  |  |
Total | 31,012 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_AllenTexasMember |  |  |
Accumulated Depreciation and Amortization | 5,441 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_AllenTexasMember |  |  |
Office Building [Member] | Allen, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Allen, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Office Building [Member] | Allen, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Allen, Texas [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Arlington, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Land and Land Estates | 1,274 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Buildings and Improvements | 15,309 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Total | 16,583 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Accumulated Depreciation and Amortization | 1,452 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ArlingtonTexasMember |  |  |
Office Building [Member] | Arlington, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Office Building [Member] | Arlington, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Arlington, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Arlington, Texas [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Carrollton, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Land and Land Estates | 1,789 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Buildings and Improvements | 18,157 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Total | 19,946 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Accumulated Depreciation and Amortization | 7,861 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 19 years |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX LTL Office Acquired Jun-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 18,850 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Land and Land Estates | 2,599 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Buildings and Improvements | 22,050 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Total | 24,649 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Accumulated Depreciation and Amortization | 7,099 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX LTL Office Acquired Jun-07 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX LTL Office Acquired Jun-07 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX LTL Office Acquired Jun-07, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Land and Land Estates | 828 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Total | 828 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_CarrolltonTXLTLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_CarrolltonTexasMember |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Dec-13 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land and Land Estates | 481 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Buildings and Improvements | 2,352 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Total | 2,833 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Accumulated Depreciation and Amortization | 97 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredDec13Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Dec-13 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Dec-13 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 31 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Dec-13 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Apr-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land and Land Estates | 1,875 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Buildings and Improvements | 10,959 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Total | 12,834 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Accumulated Depreciation and Amortization | 6,148 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Apr-05 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Apr-05 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Apr-05 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Apr-05 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Mar-04 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 23,206 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredMar04Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land and Land Estates | 16,613 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredMar04Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Buildings and Improvements | 58,226 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredMar04Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Total | 74,839 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredMar04Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Accumulated Depreciation and Amortization | 14,158 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXLTLOfficeAcquiredMar04Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Mar-04 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX LTL Office Acquired Mar-04 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land and Land Estates | 1,875 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Buildings and Improvements | 10,585 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Total | 12,460 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Accumulated Depreciation and Amortization | 6,110 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Property2Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land and Land Estates | 800 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Property2Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Buildings and Improvements | 26,962 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Property2Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Total | 27,762 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Property2Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Accumulated Depreciation and Amortization | 16,694 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HoustonTXOfficeAcquiredApr05Property2Member / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 2 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 2 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 2 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 2 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Huntington, West Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 6,500 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HuntingtonWestVirginiaMember |  |  |
Land and Land Estates | 1,368 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HuntingtonWestVirginiaMember |  |  |
Buildings and Improvements | 9,527 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HuntingtonWestVirginiaMember |  |  |
Total | 10,895 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HuntingtonWestVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 946 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HuntingtonWestVirginiaMember |  |  |
Office Building [Member] | Huntington, West Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Office Building [Member] | Huntington, West Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Little Rock, Arkansas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LittleRockArkansasMember |  |  |
Land and Land Estates | 1,353 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LittleRockArkansasMember |  |  |
Buildings and Improvements | 2,260 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LittleRockArkansasMember |  |  |
Total | 3,613 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LittleRockArkansasMember |  |  |
Accumulated Depreciation and Amortization | 490 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LittleRockArkansasMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Pine Bluff, Arkansas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PineBluffArkansasMember |  |  |
Land and Land Estates | 271 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PineBluffArkansasMember |  |  |
Buildings and Improvements | 603 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PineBluffArkansasMember |  |  |
Total | 874 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PineBluffArkansasMember |  |  |
Accumulated Depreciation and Amortization | 162 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PineBluffArkansasMember |  |  |
Office Building [Member] | Pine Bluff, Arkansas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Pine Bluff, Arkansas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Pine Bluff, Arkansas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Glendale, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GlendaleArizonaMember |  |  |
Land and Land Estates | 9,418 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GlendaleArizonaMember |  |  |
Buildings and Improvements | 8,260 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GlendaleArizonaMember |  |  |
Total | 17,678 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GlendaleArizonaMember |  |  |
Accumulated Depreciation and Amortization | 1,532 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GlendaleArizonaMember |  |  |
Office Building [Member] | Glendale, Arizona [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Glendale, Arizona [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 24 years |  |  |
Office Building [Member] | Glendale, Arizona [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Tucson, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TucsonArizonaMember |  |  |
Land and Land Estates | 681 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TucsonArizonaMember |  |  |
Buildings and Improvements | 4,037 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TucsonArizonaMember |  |  |
Total | 4,718 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TucsonArizonaMember |  |  |
Accumulated Depreciation and Amortization | 406 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TucsonArizonaMember |  |  |
Office Building [Member] | Tucson, Arizona [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Tucson, Arizona [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Office Building [Member] | Tucson, Arizona [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Lake Forest, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakeForestCaliforniaMember |  |  |
Land and Land Estates | 3,442 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakeForestCaliforniaMember |  |  |
Buildings and Improvements | 13,769 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakeForestCaliforniaMember |  |  |
Total | 17,211 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakeForestCaliforniaMember |  |  |
Accumulated Depreciation and Amortization | 4,403 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakeForestCaliforniaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Palo Alto, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 53,536 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PaloAltoCaliforniaMember |  |  |
Land and Land Estates | 12,398 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PaloAltoCaliforniaMember |  |  |
Buildings and Improvements | 16,977 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PaloAltoCaliforniaMember |  |  |
Total | 29,375 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PaloAltoCaliforniaMember |  |  |
Accumulated Depreciation and Amortization | 18,175 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PaloAltoCaliforniaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Kingsport, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KingsportTennesseeMember |  |  |
Land and Land Estates | 513 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KingsportTennesseeMember |  |  |
Buildings and Improvements | 403 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KingsportTennesseeMember |  |  |
Total | 916 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KingsportTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 108 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KingsportTennesseeMember |  |  |
Office Building [Member] | Kingsport, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Kingsport, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Office Building [Member] | Kingsport, Tennessee [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Centennial, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CentennialColoradoMember |  |  |
Land and Land Estates | 4,851 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CentennialColoradoMember |  |  |
Buildings and Improvements | 15,187 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CentennialColoradoMember |  |  |
Total | 20,038 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CentennialColoradoMember |  |  |
Accumulated Depreciation and Amortization | 5,289 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CentennialColoradoMember |  |  |
Office Building [Member] | Centennial, Colorado [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Centennial, Colorado [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Lakewood, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakewoodColoradoMember |  |  |
Land and Land Estates | 1,569 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakewoodColoradoMember |  |  |
Buildings and Improvements | 8,857 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakewoodColoradoMember |  |  |
Total | 10,426 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakewoodColoradoMember |  |  |
Accumulated Depreciation and Amortization | 5,496 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LakewoodColoradoMember |  |  |
Office Building [Member] | Lakewood, Colorado [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Office Building [Member] | Lakewood, Colorado [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Lakewood, Colorado [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Lakewood, Colorado [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Wallingford, Connecticut [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallingfordConnecticutMember |  |  |
Land and Land Estates | 1,049 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallingfordConnecticutMember |  |  |
Buildings and Improvements | 4,773 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallingfordConnecticutMember |  |  |
Total | 5,822 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallingfordConnecticutMember |  |  |
Accumulated Depreciation and Amortization | 1,472 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallingfordConnecticutMember |  |  |
Office Building [Member] | Wallingford, Connecticut [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Office Building [Member] | Wallingford, Connecticut [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Boca Raton, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 19,870 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BocaRatonFloridaMember |  |  |
Land and Land Estates | 4,290 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BocaRatonFloridaMember |  |  |
Buildings and Improvements | 17,160 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BocaRatonFloridaMember |  |  |
Total | 21,450 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BocaRatonFloridaMember |  |  |
Accumulated Depreciation and Amortization | 5,095 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BocaRatonFloridaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Fort Meyers, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FortMeyersFloridaMember |  |  |
Land and Land Estates | 795 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FortMeyersFloridaMember |  |  |
Buildings and Improvements | 2,941 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FortMeyersFloridaMember |  |  |
Total | 3,736 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FortMeyersFloridaMember |  |  |
Accumulated Depreciation and Amortization | 671 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FortMeyersFloridaMember |  |  |
Office Building [Member] | Fort Meyers, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Fort Meyers, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 32 years |  |  |
Office Building [Member] | Fort Meyers, Florida [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Land and Land Estates | 4,535 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Buildings and Improvements | 14,830 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Total | 19,365 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Accumulated Depreciation and Amortization | 4,809 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Land and Land Estates | 4,438 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Buildings and Improvements | 15,103 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Total | 19,541 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Accumulated Depreciation and Amortization | 4,799 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_LakeMaryFLOfficeAcquiredJun07Property2Member / us-gaap_StatementGeographicalAxis = lxp_LakeMaryFloridaMember |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Palm Beach Gardens, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Land and Land Estates | 787 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Buildings and Improvements | 3,704 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Total | 4,491 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Accumulated Depreciation and Amortization | 1,282 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PalmBeachGardensFloridaMember |  |  |
Office Building [Member] | Palm Beach Gardens, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Palm Beach Gardens, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Clive, Iowa [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CliveIowaMember |  |  |
Land and Land Estates | 1,158 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CliveIowaMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CliveIowaMember |  |  |
Total | 1,158 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CliveIowaMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CliveIowaMember |  |  |
Office Building [Member] | Meridian, Idaho [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,746 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MeridianIdahoMember |  |  |
Land and Land Estates | 2,255 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MeridianIdahoMember |  |  |
Buildings and Improvements | 7,797 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MeridianIdahoMember |  |  |
Total | 10,052 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MeridianIdahoMember |  |  |
Accumulated Depreciation and Amortization | 937 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MeridianIdahoMember |  |  |
Office Building [Member] | Meridian, Idaho [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Meridian, Idaho [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 37 years |  |  |
Office Building [Member] | Lisle, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,613 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LisleIllinoisMember |  |  |
Land and Land Estates | 3,236 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LisleIllinoisMember |  |  |
Buildings and Improvements | 13,747 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LisleIllinoisMember |  |  |
Total | 16,983 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LisleIllinoisMember |  |  |
Accumulated Depreciation and Amortization | 3,636 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LisleIllinoisMember |  |  |
Office Building [Member] | Lisle, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Office Building [Member] | Lisle, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Lisle, Illinois [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Lisle, Illinois [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Lisle, Illinois [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Schaumburg, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SchaumburgIllinoisMember |  |  |
Land and Land Estates | 5,007 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SchaumburgIllinoisMember |  |  |
Buildings and Improvements | 22,086 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SchaumburgIllinoisMember |  |  |
Total | 27,093 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SchaumburgIllinoisMember |  |  |
Accumulated Depreciation and Amortization | 1,787 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SchaumburgIllinoisMember |  |  |
Office Building [Member] | Schaumburg, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Schaumburg, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Office Building [Member] | Schaumburg, Illinois [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Office Building [Member] | Columbus, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 25,129 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusIndianaMember |  |  |
Land and Land Estates | 235 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusIndianaMember |  |  |
Buildings and Improvements | 45,729 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusIndianaMember |  |  |
Total | 45,964 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusIndianaMember |  |  |
Accumulated Depreciation and Amortization | 10,947 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_ColumbusIndianaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Fishers, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FishersIndianaMember |  |  |
Land and Land Estates | 2,808 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FishersIndianaMember |  |  |
Buildings and Improvements | 19,373 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FishersIndianaMember |  |  |
Total | 22,181 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FishersIndianaMember |  |  |
Accumulated Depreciation and Amortization | 5,337 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FishersIndianaMember |  |  |
Office Building [Member] | Fishers, Indiana [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Fishers, Indiana [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Indianapolis, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_IndianapolisIndianaMember |  |  |
Land and Land Estates | 1,700 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_IndianapolisIndianaMember |  |  |
Buildings and Improvements | 18,461 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_IndianapolisIndianaMember |  |  |
Total | 20,161 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_IndianapolisIndianaMember |  |  |
Accumulated Depreciation and Amortization | 12,590 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_IndianapolisIndianaMember |  |  |
Office Building [Member] | Indianapolis, Indiana [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Indianapolis, Indiana [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Overland Park, Kansas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 34,733 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OverlandParkKansasMember |  |  |
Land and Land Estates | 4,769 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OverlandParkKansasMember |  |  |
Buildings and Improvements | 41,956 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OverlandParkKansasMember |  |  |
Total | 46,725 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OverlandParkKansasMember |  |  |
Accumulated Depreciation and Amortization | 11,583 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OverlandParkKansasMember |  |  |
Office Building [Member] | Overland Park, Kansas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Overland Park, Kansas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Baton Rouge, Louisiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BatonRougeLouisianaMember |  |  |
Land and Land Estates | 1,252 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BatonRougeLouisianaMember |  |  |
Buildings and Improvements | 11,085 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BatonRougeLouisianaMember |  |  |
Total | 12,337 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BatonRougeLouisianaMember |  |  |
Accumulated Depreciation and Amortization | 3,341 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BatonRougeLouisianaMember |  |  |
Office Building [Member] | Baton Rouge, Louisiana [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Baton Rouge, Louisiana [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Baton Rouge, Louisiana [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Baton Rouge, Louisiana [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Boston, Massachusetts [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 12,540 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BostonMassachusettsMember |  |  |
Land and Land Estates | 3,814 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BostonMassachusettsMember |  |  |
Buildings and Improvements | 16,040 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BostonMassachusettsMember |  |  |
Total | 19,854 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BostonMassachusettsMember |  |  |
Accumulated Depreciation and Amortization | 3,157 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BostonMassachusettsMember |  |  |
Office Building [Member] | Boston, Massachusetts [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Boston, Massachusetts [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Foxboro, Massachusetts [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FoxboroMassachusettsMember |  |  |
Land and Land Estates | 2,231 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FoxboroMassachusettsMember |  |  |
Buildings and Improvements | 25,653 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FoxboroMassachusettsMember |  |  |
Total | 27,884 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FoxboroMassachusettsMember |  |  |
Accumulated Depreciation and Amortization | 13,053 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FoxboroMassachusettsMember |  |  |
Office Building [Member] | Foxboro, Massachusetts [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Office Building [Member] | Foxboro, Massachusetts [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Oakland, Maine [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,061 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OaklandMaineMember |  |  |
Land and Land Estates | 551 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OaklandMaineMember |  |  |
Buildings and Improvements | 8,774 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OaklandMaineMember |  |  |
Total | 9,325 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OaklandMaineMember |  |  |
Accumulated Depreciation and Amortization | 841 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_OaklandMaineMember |  |  |
Office Building [Member] | Oakland, Maine [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Office Building [Member] | Oakland, Maine [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Oakland, Maine [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Livonia, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LivoniaMichiganMember |  |  |
Land and Land Estates | 935 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LivoniaMichiganMember |  |  |
Buildings and Improvements | 13,714 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LivoniaMichiganMember |  |  |
Total | 14,649 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LivoniaMichiganMember |  |  |
Accumulated Depreciation and Amortization | 1,681 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_LivoniaMichiganMember |  |  |
Office Building [Member] | Livonia, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Office Building [Member] | Livonia, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 34 years |  |  |
Office Building [Member] | Southfield, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SouthfieldMichiganMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SouthfieldMichiganMember |  |  |
Buildings and Improvements | 12,124 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SouthfieldMichiganMember |  |  |
Total | 12,124 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SouthfieldMichiganMember |  |  |
Accumulated Depreciation and Amortization | 7,223 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SouthfieldMichiganMember |  |  |
Office Building [Member] | Southfield, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Southfield, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Southfield, Michigan [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Office Building [Member] | Kansas City, Missouri [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 16,559 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KansasCityMissouriMember |  |  |
Land and Land Estates | 2,433 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KansasCityMissouriMember |  |  |
Buildings and Improvements | 20,154 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KansasCityMissouriMember |  |  |
Total | 22,587 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KansasCityMissouriMember |  |  |
Accumulated Depreciation and Amortization | 5,546 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_KansasCityMissouriMember |  |  |
Office Building [Member] | Kansas City, Missouri [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Kansas City, Missouri [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Pascagoula, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PascagoulaMississippiMember |  |  |
Land and Land Estates | 618 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PascagoulaMississippiMember |  |  |
Buildings and Improvements | 3,677 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PascagoulaMississippiMember |  |  |
Total | 4,295 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PascagoulaMississippiMember |  |  |
Accumulated Depreciation and Amortization | 447 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PascagoulaMississippiMember |  |  |
Office Building [Member] | Pascagoula, Mississippi [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Office Building [Member] | Pascagoula, Mississippi [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 31 years |  |  |
Office Building [Member] | Pascagoula, Mississippi [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Office Building [Member] | Wall, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 19,870 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallNewJerseyMember |  |  |
Land and Land Estates | 8,985 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallNewJerseyMember |  |  |
Buildings and Improvements | 26,961 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallNewJerseyMember |  |  |
Total | 35,946 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallNewJerseyMember |  |  |
Accumulated Depreciation and Amortization | 11,518 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WallNewJerseyMember |  |  |
Office Building [Member] | Wall, New Jersey [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 22 years |  |  |
Office Building [Member] | Wall, New Jersey [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Whippany, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 14,153 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WhippanyNewJerseyMember |  |  |
Land and Land Estates | 4,063 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WhippanyNewJerseyMember |  |  |
Buildings and Improvements | 19,711 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WhippanyNewJerseyMember |  |  |
Total | 23,774 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WhippanyNewJerseyMember |  |  |
Accumulated Depreciation and Amortization | 6,586 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WhippanyNewJerseyMember |  |  |
Office Building [Member] | Whippany, New Jersey [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Whippany, New Jersey [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Milford, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MilfordOhioMember |  |  |
Land and Land Estates | 3,124 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MilfordOhioMember |  |  |
Buildings and Improvements | 16,140 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MilfordOhioMember |  |  |
Total | 19,264 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MilfordOhioMember |  |  |
Accumulated Depreciation and Amortization | 5,277 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MilfordOhioMember |  |  |
Office Building [Member] | Milford, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Milford, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Westerville, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestervilleOhioMember |  |  |
Land and Land Estates | 2,085 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestervilleOhioMember |  |  |
Buildings and Improvements | 9,341 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestervilleOhioMember |  |  |
Total | 11,426 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestervilleOhioMember |  |  |
Accumulated Depreciation and Amortization | 2,535 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestervilleOhioMember |  |  |
Office Building [Member] | Westerville, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Westerville, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Redmond, Oregon [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RedmondOregonMember |  |  |
Land and Land Estates | 2,064 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RedmondOregonMember |  |  |
Buildings and Improvements | 8,316 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RedmondOregonMember |  |  |
Total | 10,380 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RedmondOregonMember |  |  |
Accumulated Depreciation and Amortization | 837 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_RedmondOregonMember |  |  |
Office Building [Member] | Redmond, Oregon [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Redmond, Oregon [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Redmond, Oregon [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Harrisburg, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,857 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HarrisburgPennsylvaniaMember |  |  |
Land and Land Estates | 900 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HarrisburgPennsylvaniaMember |  |  |
Buildings and Improvements | 10,693 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HarrisburgPennsylvaniaMember |  |  |
Total | 11,593 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HarrisburgPennsylvaniaMember |  |  |
Accumulated Depreciation and Amortization | 7,802 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HarrisburgPennsylvaniaMember |  |  |
Office Building [Member] | Harrisburg, Pennsylvania [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Office Building [Member] | Harrisburg, Pennsylvania [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Harrisburg, Pennsylvania [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Office Building [Member] | Harrisburg, Pennsylvania [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Harrisburg, Pennsylvania [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Philadelphia, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PhiladelphiaPennsylvaniaMember |  |  |
Land and Land Estates | 13,209 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PhiladelphiaPennsylvaniaMember |  |  |
Buildings and Improvements | 56,037 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PhiladelphiaPennsylvaniaMember |  |  |
Total | 69,246 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PhiladelphiaPennsylvaniaMember |  |  |
Accumulated Depreciation and Amortization | 29,667 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_PhiladelphiaPennsylvaniaMember |  |  |
Office Building [Member] | Philadelphia, Pennsylvania [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Philadelphia, Pennsylvania [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Charleston, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,277 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CharlestonSouthCarolinaMember |  |  |
Land and Land Estates | 1,189 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CharlestonSouthCarolinaMember |  |  |
Buildings and Improvements | 8,724 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CharlestonSouthCarolinaMember |  |  |
Total | 9,913 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CharlestonSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 3,087 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_CharlestonSouthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Florence, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Land and Land Estates | 774 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Buildings and Improvements | 3,629 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Total | 4,403 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 307 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FlorenceSouthCarolinaMember |  |  |
Office Building [Member] | Florence, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Florence, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Nov-04 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredNov04Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Land and Land Estates | 1,798 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredNov04Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Buildings and Improvements | 26,038 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredNov04Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Total | 27,836 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredNov04Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 13,912 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredNov04Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Nov-04 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Nov-04 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Nov-04 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Dec-02 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredDec02Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Land and Land Estates | 3,601 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredDec02Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Buildings and Improvements | 15,340 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredDec02Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Total | 18,941 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredDec02Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 4,513 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_FortMillSCOfficeAcquiredDec02Member / us-gaap_StatementGeographicalAxis = lxp_FortMillSouthCarolinaMember |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Dec-02 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Dec-02 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Dec-02 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Fort Mill, South Carolina [Member] | Fort Mill, SC Office, Acquired Dec-02 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Mar-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredMar05Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Land and Land Estates | 1,079 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredMar05Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Buildings and Improvements | 11,146 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredMar05Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Total | 12,225 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredMar05Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 5,630 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredMar05Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Mar-05 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Mar-05 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Mar-05 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Mar-05 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Land and Land Estates | 621 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Buildings and Improvements | 6,282 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Total | 6,903 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 668 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_KnoxvilleTNOfficeAcquiredSep12Member / us-gaap_StatementGeographicalAxis = lxp_KnoxvilleTennesseeMember |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Sep-12 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Sep-12 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Sep-12 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Sep-12 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Memphis, Tennessee [Member] | Memphis, TN Office Acquired Nov-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 3,617 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredNov06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Land and Land Estates | 464 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredNov06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Buildings and Improvements | 4,467 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredNov06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Total | 4,931 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredNov06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 1,497 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredNov06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Office Building [Member] | Memphis, Tennessee [Member] | Memphis, TN Office Acquired Nov-06 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Memphis, Tennessee [Member] | Memphis, TN Office Acquired Nov-06 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Memphis, Tennessee [Member] | Memphis, TN Office Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Land and Land Estates | 5,291 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Buildings and Improvements | 97,032 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Total | 102,323 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 20,215 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_MemphisTNOfficeAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_MemphisTennesseeMember |  |  |
Office Building [Member] | Memphis, Tennessee [Member] | Memphis, TN Office Acquired Dec-06 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Office Building [Member] | Memphis, Tennessee [Member] | Memphis, TN Office Acquired Dec-06 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Farmers Branch, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 18,408 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FarmersBranchTexasMember |  |  |
Land and Land Estates | 3,984 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FarmersBranchTexasMember |  |  |
Buildings and Improvements | 27,308 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FarmersBranchTexasMember |  |  |
Total | 31,292 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FarmersBranchTexasMember |  |  |
Accumulated Depreciation and Amortization | 9,006 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_FarmersBranchTexasMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Garland, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GarlandTexasMember |  |  |
Land and Land Estates | 2,218 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GarlandTexasMember |  |  |
Buildings and Improvements | 8,473 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GarlandTexasMember |  |  |
Total | 10,691 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GarlandTexasMember |  |  |
Accumulated Depreciation and Amortization | 3,060 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_GarlandTexasMember |  |  |
Office Building [Member] | Garland, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Garland, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 18 years |  |  |
Office Building [Member] | Garland, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired May-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredMay07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Land and Land Estates | 7,476 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredMay07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Buildings and Improvements | 45,985 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredMay07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Total | 53,461 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredMay07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Accumulated Depreciation and Amortization | 15,558 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredMay07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired May-07 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired May-07 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired Jun-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Land and Land Estates | 4,889 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Buildings and Improvements | 29,738 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Total | 34,627 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Accumulated Depreciation and Amortization | 9,497 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_IrvingTXOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_IrvingTexasMember |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired Jun-07 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired Jun-07 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Irving, Texas [Member] | Irving, TX Office Acquired Jun-07 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Mission, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 5,432 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MissionTexasMember |  |  |
Land and Land Estates | 2,556 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MissionTexasMember |  |  |
Buildings and Improvements | 2,911 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MissionTexasMember |  |  |
Total | 5,467 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MissionTexasMember |  |  |
Accumulated Depreciation and Amortization | 468 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MissionTexasMember |  |  |
Office Building [Member] | Mission, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Mission, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 35 years |  |  |
Office Building [Member] | Mission, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Office Building [Member] | San Antonio, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SanAntonioTexasMember |  |  |
Land and Land Estates | 2,800 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SanAntonioTexasMember |  |  |
Buildings and Improvements | 15,585 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SanAntonioTexasMember |  |  |
Total | 18,385 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SanAntonioTexasMember |  |  |
Accumulated Depreciation and Amortization | 10,399 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_SanAntonioTexasMember |  |  |
Office Building [Member] | San Antonio, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | San Antonio, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | San Antonio, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Office Building [Member] | Temple, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,865 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TempleTexasMember |  |  |
Land and Land Estates | 227 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TempleTexasMember |  |  |
Buildings and Improvements | 8,181 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TempleTexasMember |  |  |
Total | 8,408 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TempleTexasMember |  |  |
Accumulated Depreciation and Amortization | 1,022 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_TempleTexasMember |  |  |
Office Building [Member] | Temple, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Office Building [Member] | Temple, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Temple, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Temple, Texas [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Westlake, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestlakeTexasMember |  |  |
Land and Land Estates | 2,361 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestlakeTexasMember |  |  |
Buildings and Improvements | 23,382 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestlakeTexasMember |  |  |
Total | 25,743 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestlakeTexasMember |  |  |
Accumulated Depreciation and Amortization | 8,322 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_WestlakeTexasMember |  |  |
Office Building [Member] | Westlake, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Westlake, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Hampton, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HamptonVirginiaMember |  |  |
Land and Land Estates | 2,333 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HamptonVirginiaMember |  |  |
Buildings and Improvements | 11,026 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HamptonVirginiaMember |  |  |
Total | 13,359 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HamptonVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 4,161 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_HamptonVirginiaMember |  |  |
Office Building [Member] | Hampton, Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Office Building [Member] | Hampton, Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Hampton, Virginia [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Hampton, Virginia [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Herndon, Virginia [Member] | Herndon, VA Office Acquired Dec-99 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredDec99Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Land and Land Estates | 5,127 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredDec99Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Buildings and Improvements | 24,640 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredDec99Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Total | 29,767 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredDec99Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 8,517 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredDec99Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Office Building [Member] | Herndon, Virginia [Member] | Herndon, VA Office Acquired Dec-99 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
Office Building [Member] | Herndon, Virginia [Member] | Herndon, VA Office Acquired Dec-99 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Herndon, Virginia [Member] | Herndon, VA Office Acquired Jun-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Land and Land Estates | 9,409 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Buildings and Improvements | 12,853 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Total | 22,262 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 4,542 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_HerndonVAOfficeAcquiredJun07Member / us-gaap_StatementGeographicalAxis = lxp_HerndonVirginiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Midlothian, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MidlothianVirginiaMember |  |  |
Land and Land Estates | 1,100 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MidlothianVirginiaMember |  |  |
Buildings and Improvements | 12,685 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MidlothianVirginiaMember |  |  |
Total | 13,785 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MidlothianVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 6,312 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_MidlothianVirginiaMember |  |  |
Office Building [Member] | Midlothian, Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Midlothian, Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Midlothian, Virginia [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Office Building [Member] | Midlothian, Virginia [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Bremerton, Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 5,854 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BremertonWashingtonMember |  |  |
Land and Land Estates | 1,655 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BremertonWashingtonMember |  |  |
Buildings and Improvements | 5,445 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BremertonWashingtonMember |  |  |
Total | 7,100 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BremertonWashingtonMember |  |  |
Accumulated Depreciation and Amortization | 642 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_OfficeBuildingMember / us-gaap_StatementGeographicalAxis = lxp_BremertonWashingtonMember |  |  |
Office Building [Member] | Bremerton, Washington [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 4 years |  |  |
Office Building [Member] | Bremerton, Washington [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Bremerton, Washington [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Retail Site [Member] | Albany, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_AlbanyGeorgiaMember |  |  |
Land and Land Estates | 1,468 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_AlbanyGeorgiaMember |  |  |
Buildings and Improvements | 5,137 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_AlbanyGeorgiaMember |  |  |
Total | 6,605 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_AlbanyGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 185 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_AlbanyGeorgiaMember |  |  |
Retail Site [Member] | Albany, Georgia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Retail Site [Member] | Albany, Georgia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Edmonds, Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_EdmondsWashingtonMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_EdmondsWashingtonMember |  |  |
Buildings and Improvements | 3,947 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_EdmondsWashingtonMember |  |  |
Total | 3,947 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_EdmondsWashingtonMember |  |  |
Accumulated Depreciation and Amortization | 947 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_EdmondsWashingtonMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Manteca, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 846 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_MantecaCaliforniaMember |  |  |
Land and Land Estates | 2,082 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_MantecaCaliforniaMember |  |  |
Buildings and Improvements | 6,464 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_MantecaCaliforniaMember |  |  |
Total | 8,546 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_MantecaCaliforniaMember |  |  |
Accumulated Depreciation and Amortization | 1,499 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_MantecaCaliforniaMember |  |  |
Retail Site [Member] | Manteca, California [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 23 years |  |  |
Retail Site [Member] | Manteca, California [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | San Diego, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 539 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_SanDiegoCaliforniaMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_SanDiegoCaliforniaMember |  |  |
Buildings and Improvements | 13,310 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_SanDiegoCaliforniaMember |  |  |
Total | 13,310 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_SanDiegoCaliforniaMember |  |  |
Accumulated Depreciation and Amortization | 2,623 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_SanDiegoCaliforniaMember |  |  |
Retail Site [Member] | San Diego, California [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 23 years |  |  |
Retail Site [Member] | San Diego, California [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Port Richey, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortRicheyFloridaMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortRicheyFloridaMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortRicheyFloridaMember |  |  |
Total | 0 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortRicheyFloridaMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortRicheyFloridaMember |  |  |
Retail Site [Member] | Atlanta, Georgia [Member] | Atlanta, GA Retail Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Land and Land Estates | 1,014 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Buildings and Improvements | 269 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Total | 1,283 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 266 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Atlanta, Georgia [Member] | Atlanta, GA Retail Acquired Dec-06, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Land and Land Estates | 870 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Buildings and Improvements | 187 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Total | 1,057 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 216 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_AtlantaGARetailAcquiredDec06Property2Member / us-gaap_StatementGeographicalAxis = lxp_AtlantaGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Chamblee, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChambleeGeorgiaMember |  |  |
Land and Land Estates | 770 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChambleeGeorgiaMember |  |  |
Buildings and Improvements | 186 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChambleeGeorgiaMember |  |  |
Total | 956 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChambleeGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 213 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChambleeGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Cumming, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CummingGeorgiaMember |  |  |
Land and Land Estates | 1,558 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CummingGeorgiaMember |  |  |
Buildings and Improvements | 1,368 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CummingGeorgiaMember |  |  |
Total | 2,926 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CummingGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 593 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CummingGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Forest Park, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ForestParkGeorgiaMember |  |  |
Land and Land Estates | 668 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ForestParkGeorgiaMember |  |  |
Buildings and Improvements | 1,242 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ForestParkGeorgiaMember |  |  |
Total | 1,910 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ForestParkGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 399 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ForestParkGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Jonesboro, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JonesboroGeorgiaMember |  |  |
Land and Land Estates | 778 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JonesboroGeorgiaMember |  |  |
Buildings and Improvements | 146 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JonesboroGeorgiaMember |  |  |
Total | 924 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JonesboroGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 190 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JonesboroGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Stone Mountain, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StoneMountainGeorgiaMember |  |  |
Land and Land Estates | 672 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StoneMountainGeorgiaMember |  |  |
Buildings and Improvements | 276 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StoneMountainGeorgiaMember |  |  |
Total | 948 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StoneMountainGeorgiaMember |  |  |
Accumulated Depreciation and Amortization | 196 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StoneMountainGeorgiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Galesburg, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 475 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_GalesburgIllinoisMember |  |  |
Land and Land Estates | 560 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_GalesburgIllinoisMember |  |  |
Buildings and Improvements | 2,366 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_GalesburgIllinoisMember |  |  |
Total | 2,926 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_GalesburgIllinoisMember |  |  |
Accumulated Depreciation and Amortization | 640 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_GalesburgIllinoisMember |  |  |
Retail Site [Member] | Galesburg, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Retail Site [Member] | Galesburg, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Lawrence, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawrenceIndianaMember |  |  |
Land and Land Estates | 404 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawrenceIndianaMember |  |  |
Buildings and Improvements | 1,737 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawrenceIndianaMember |  |  |
Total | 2,141 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawrenceIndianaMember |  |  |
Accumulated Depreciation and Amortization | 356 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawrenceIndianaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Jefferson, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JeffersonNorthCarolinaMember |  |  |
Land and Land Estates | 71 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JeffersonNorthCarolinaMember |  |  |
Buildings and Improvements | 884 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JeffersonNorthCarolinaMember |  |  |
Total | 955 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JeffersonNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 204 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_JeffersonNorthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Lexington, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LexingtonNorthCarolinaMember |  |  |
Land and Land Estates | 832 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LexingtonNorthCarolinaMember |  |  |
Buildings and Improvements | 1,429 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LexingtonNorthCarolinaMember |  |  |
Total | 2,261 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LexingtonNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 287 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LexingtonNorthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Thomasville, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ThomasvilleNorthCarolinaMember |  |  |
Land and Land Estates | 208 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ThomasvilleNorthCarolinaMember |  |  |
Buildings and Improvements | 561 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ThomasvilleNorthCarolinaMember |  |  |
Total | 769 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ThomasvilleNorthCarolinaMember |  |  |
Accumulated Depreciation and Amortization | 56 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ThomasvilleNorthCarolinaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Portchester, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortchesterNewYorkMember |  |  |
Land and Land Estates | 3,841 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortchesterNewYorkMember |  |  |
Buildings and Improvements | 5,246 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortchesterNewYorkMember |  |  |
Total | 9,087 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortchesterNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 553 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_PortchesterNewYorkMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Watertown, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 795 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_WatertownNewYorkMember |  |  |
Land and Land Estates | 386 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_WatertownNewYorkMember |  |  |
Buildings and Improvements | 5,162 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_WatertownNewYorkMember |  |  |
Total | 5,548 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_WatertownNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 1,265 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_WatertownNewYorkMember |  |  |
Retail Site [Member] | Watertown, New York [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 23 years |  |  |
Retail Site [Member] | Watertown, New York [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Canton, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CantonOhioMember |  |  |
Land and Land Estates | 884 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CantonOhioMember |  |  |
Buildings and Improvements | 3,534 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CantonOhioMember |  |  |
Total | 4,418 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CantonOhioMember |  |  |
Accumulated Depreciation and Amortization | 1,159 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_CantonOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Franklin, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FranklinOhioMember |  |  |
Land and Land Estates | 722 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FranklinOhioMember |  |  |
Buildings and Improvements | 999 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FranklinOhioMember |  |  |
Total | 1,721 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FranklinOhioMember |  |  |
Accumulated Depreciation and Amortization | 100 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FranklinOhioMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Lorain, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 1,197 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LorainOhioMember |  |  |
Land and Land Estates | 1,893 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LorainOhioMember |  |  |
Buildings and Improvements | 7,024 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LorainOhioMember |  |  |
Total | 8,917 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LorainOhioMember |  |  |
Accumulated Depreciation and Amortization | 1,630 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LorainOhioMember |  |  |
Retail Site [Member] | Lorain, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 23 years |  |  |
Retail Site [Member] | Lorain, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Lawton, Oklahoma [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawtonOklahomaMember |  |  |
Land and Land Estates | 663 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawtonOklahomaMember |  |  |
Buildings and Improvements | 1,288 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawtonOklahomaMember |  |  |
Total | 1,951 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawtonOklahomaMember |  |  |
Accumulated Depreciation and Amortization | 392 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_LawtonOklahomaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Oklahoma City, Oklahoma [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_OklahomaCityOklahomaMember |  |  |
Land and Land Estates | 1,782 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_OklahomaCityOklahomaMember |  |  |
Buildings and Improvements | 912 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_OklahomaCityOklahomaMember |  |  |
Total | 2,694 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_OklahomaCityOklahomaMember |  |  |
Accumulated Depreciation and Amortization | 313 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_OklahomaCityOklahomaMember |  |  |
Retail Site [Member] | Oklahoma City, Oklahoma [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Retail Site [Member] | Oklahoma City, Oklahoma [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Retail Site [Member] | Tulsa, Oklahoma [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_TulsaOklahomaMember |  |  |
Land and Land Estates | 445 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_TulsaOklahomaMember |  |  |
Buildings and Improvements | 2,433 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_TulsaOklahomaMember |  |  |
Total | 2,878 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_TulsaOklahomaMember |  |  |
Accumulated Depreciation and Amortization | 2,302 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_TulsaOklahomaMember |  |  |
Retail Site [Member] | Tulsa, Oklahoma [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Retail Site [Member] | Tulsa, Oklahoma [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 24 years |  |  |
Retail Site [Member] | Chattanooga, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChattanoogaTennesseeMember |  |  |
Land and Land Estates | 487 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChattanoogaTennesseeMember |  |  |
Buildings and Improvements | 956 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChattanoogaTennesseeMember |  |  |
Total | 1,443 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChattanoogaTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 94 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ChattanoogaTennesseeMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Paris, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ParisTennesseeMember |  |  |
Land and Land Estates | 247 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ParisTennesseeMember |  |  |
Buildings and Improvements | 547 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ParisTennesseeMember |  |  |
Total | 794 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ParisTennesseeMember |  |  |
Accumulated Depreciation and Amortization | 160 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_ParisTennesseeMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Staunton, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StauntonVirginiaMember |  |  |
Land and Land Estates | 1,028 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StauntonVirginiaMember |  |  |
Buildings and Improvements | 326 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StauntonVirginiaMember |  |  |
Total | 1,354 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StauntonVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 89 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_StauntonVirginiaMember |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Retail Site [Member] | Fairlea, West Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 559 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FairleaWestVirginiaMember |  |  |
Land and Land Estates | 501 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FairleaWestVirginiaMember |  |  |
Buildings and Improvements | 1,985 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FairleaWestVirginiaMember |  |  |
Total | 2,486 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FairleaWestVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 436 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_RetailSiteMember / us-gaap_StatementGeographicalAxis = lxp_FairleaWestVirginiaMember |  |  |
Retail Site [Member] | Fairlea, West Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Retail Site [Member] | Fairlea, West Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Specialty [Member] | Vineland, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_VinelandNewJerseyMember |  |  |
Land and Land Estates | 2,698 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_VinelandNewJerseyMember |  |  |
Buildings and Improvements | 12,790 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_VinelandNewJerseyMember |  |  |
Total | 15,488 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_VinelandNewJerseyMember |  |  |
Accumulated Depreciation and Amortization | 101 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_VinelandNewJerseyMember |  |  |
Specialty [Member] | Vineland, New Jersey [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Specialty [Member] | Vineland, New Jersey [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Specialty [Member] | Vineland, New Jersey [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 28 years |  |  |
Specialty [Member] | Tomball, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 8,759 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_TomballTexasMember |  |  |
Land and Land Estates | 3,174 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_TomballTexasMember |  |  |
Buildings and Improvements | 7,405 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_TomballTexasMember |  |  |
Total | 10,579 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_TomballTexasMember |  |  |
Accumulated Depreciation and Amortization | 655 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_SpecialtyMember / us-gaap_StatementGeographicalAxis = lxp_TomballTexasMember |  |  |
Specialty [Member] | Tomball, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 13 years |  |  |
Specialty [Member] | Tomball, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Specialty [Member] | Tomball, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Land [Member] | New York, New York [Member] | New York, NY LTL Land, Acquired Oct-13 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 213,475 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land and Land Estates | 73,148 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Total | 73,148 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land [Member] | New York, New York [Member] | New York, NY LTL Land, Acquired Oct-13, Property 2 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property2Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land and Land Estates | 86,569 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property2Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property2Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Total | 86,569 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property2Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property2Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land [Member] | New York, New York [Member] | New York, NY LTL Land, Acquired Oct-13, Property 3 [Member] | Cross-collateralized [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property3Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land and Land Estates | 65,218 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property3Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property3Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Total | 65,218 us-gaap_RealEstateGrossAtCarryingValue / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property3Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / lxp_EncumbranceByTypeAxis = lxp_CrossCollateralizedMember / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct13Property3Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land [Member] | New York, New York [Member] | New York, NY LTL Land, Acquired Oct-14 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct14Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land and Land Estates | 22,000 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct14Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct14Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Total | 22,000 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct14Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = lxp_NewYorkNYLTLLandAcquiredOct14Member / us-gaap_StatementGeographicalAxis = lxp_NewYorkNewYorkMember |  |  |
Land [Member] | Danville, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_StatementGeographicalAxis = lxp_DanvilleVirginiaMember |  |  |
Land and Land Estates | 3,454 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_StatementGeographicalAxis = lxp_DanvilleVirginiaMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_StatementGeographicalAxis = lxp_DanvilleVirginiaMember |  |  |
Total | 3,454 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_StatementGeographicalAxis = lxp_DanvilleVirginiaMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_LandMember / us-gaap_StatementGeographicalAxis = lxp_DanvilleVirginiaMember |  |  |
Land / Infrastructure [Member] | Houston, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land and Land Estates | 15,055 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Buildings and Improvements | 57,949 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Total | 73,004 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Accumulated Depreciation and Amortization | 3,157 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_HoustonTexasMember |  |  |
Land / Infrastructure [Member] | Houston, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Land / Infrastructure [Member] | Houston, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 35 years |  |  |
Land / Infrastructure [Member] | Houston, Texas [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Land / Infrastructure [Member] | Houston, Texas [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Land / Infrastructure [Member] | Missouri City, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_MissouriCityTexasMember |  |  |
Land and Land Estates | 14,555 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_MissouriCityTexasMember |  |  |
Buildings and Improvements | 5,895 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_MissouriCityTexasMember |  |  |
Total | 20,450 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_MissouriCityTexasMember |  |  |
Accumulated Depreciation and Amortization | 2,246 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = lxp_LandInfrastructureMember / us-gaap_StatementGeographicalAxis = lxp_MissouriCityTexasMember |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Construction in Progress [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_ConstructionInProgressMember |  |  |
Land and Land Estates | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_ConstructionInProgressMember |  |  |
Buildings and Improvements | 0 us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_ConstructionInProgressMember |  |  |
Total | 14,946 us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_ConstructionInProgressMember |  |  |
Accumulated Depreciation and Amortization | 0 us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_ConstructionInProgressMember |  |  |

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