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Schedule III - Real Estate and Accumulated Depreciation and Amortization - Schedule III (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 738,047 |  |  |
Land and Land Estates | 472,394 |  |  |
Buildings and Improvements | 3,055,659 |  |  |
Total | 3,533,172 | $ 3,789,711 | $ 3,671,560 | $ 3,812,294
Accumulated Depreciation and Amortization | 844,931 | 812,207 | 795,486 | 775,617
Construction in progress | 5,119 | 8,552 |  |
Unamortized debt issuance costs | (7,126) |  |  |
Office Building [Member] | Little Rock, Arkansas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 1,353 |  |  |
Buildings and Improvements | 2,260 |  |  |
Total | 3,613 |  |  |
Accumulated Depreciation and Amortization | $ 600 |  |  |
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 |  |  |
Land and Land Estates | 171 |  |  |
Buildings and Improvements | 223 |  |  |
Total | 394 |  |  |
Accumulated Depreciation and Amortization | $ 14 |  |  |
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) | 9 years |  |  |
Office Building [Member] | Glendale, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 9,418 |  |  |
Buildings and Improvements | 8,394 |  |  |
Total | 17,812 |  |  |
Accumulated Depreciation and Amortization | $ 2,877 |  |  |
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) | 10 years |  |  |
Office Building [Member] | Glendale, Arizona [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] | 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] | Phoenix, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,585 |  |  |
Buildings and Improvements | 36,923 |  |  |
Total | 42,508 |  |  |
Accumulated Depreciation and Amortization | $ 4,417 |  |  |
Office Building [Member] | Phoenix, Arizona [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] | Phoenix, Arizona [Member] | Asset Component 2 [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] | 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] | 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 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 13,086 |  |  |
Total | 13,086 |  |  |
Accumulated Depreciation and Amortization | $ 2,016 |  |  |
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) | 7 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) | 10 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) | 11 years |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ Office Acquired Sep-12 [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
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 Dec-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 9,442 |  |  |
Total | 9,442 |  |  |
Accumulated Depreciation and Amortization | $ 3,171 |  |  |
Office Building [Member] | Tempe, Arizona [Member] | Tempe, AZ 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 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] | Tucson, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 681 |  |  |
Buildings and Improvements | 4,037 |  |  |
Total | 4,718 |  |  |
Accumulated Depreciation and Amortization | $ 754 |  |  |
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] | 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] | Palo Alto, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 43,285 |  |  |
Land and Land Estates | 12,398 |  |  |
Buildings and Improvements | 16,977 |  |  |
Total | 29,375 |  |  |
Accumulated Depreciation and Amortization | $ 20,664 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Office Building [Member] | Centenial, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,851 |  |  |
Buildings and Improvements | 15,239 |  |  |
Total | 20,090 |  |  |
Accumulated Depreciation and Amortization | $ 6,491 |  |  |
Office Building [Member] | Centenial, 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] | Centenial, 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] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,207 |  |  |
Buildings and Improvements | 27,851 |  |  |
Total | 30,058 |  |  |
Accumulated Depreciation and Amortization | $ 3,896 |  |  |
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] | 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] | Louisville, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,657 |  |  |
Buildings and Improvements | 11,504 |  |  |
Total | 15,161 |  |  |
Accumulated Depreciation and Amortization | $ 3,692 |  |  |
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] | Louisville, Colorado [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] | Louisville, Colorado [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] | Louisville, Colorado [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
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] | Parachute, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,400 |  |  |
Buildings and Improvements | 10,751 |  |  |
Total | 12,151 |  |  |
Accumulated Depreciation and Amortization | $ 884 |  |  |
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] | 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] | Wallingford, Connecticut [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,049 |  |  |
Buildings and Improvements | 4,773 |  |  |
Total | 5,822 |  |  |
Accumulated Depreciation and Amortization | $ 1,831 |  |  |
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 | $ 19,365 |  |  |
Land and Land Estates | 4,290 |  |  |
Buildings and Improvements | 17,160 |  |  |
Total | 21,450 |  |  |
Accumulated Depreciation and Amortization | $ 5,953 |  |  |
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] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,535 |  |  |
Buildings and Improvements | 15,047 |  |  |
Total | 19,582 |  |  |
Accumulated Depreciation and Amortization | $ 5,681 |  |  |
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) | 4 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [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] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] | Asset Component 3 [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] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] | Asset Component 5 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07 [Member] | Asset Component 6 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 18 years |  |  |
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) | 3 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, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,438 |  |  |
Buildings and Improvements | 15,294 |  |  |
Total | 19,732 |  |  |
Accumulated Depreciation and Amortization | $ 5,704 |  |  |
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) | 4 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [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] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [Member] | Asset Component 3 [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, Property 2 [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Office Building [Member] | Lake Mary, Florida [Member] | Lake Mary, FL Office Acquired Jun-07, Property 2 [Member] | Asset Component 5 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
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) | 3 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] | Orlando, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 9,309 |  |  |
Land and Land Estates | 3,538 |  |  |
Buildings and Improvements | 9,863 |  |  |
Total | 13,401 |  |  |
Accumulated Depreciation and Amortization | $ 6,049 |  |  |
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) | 6 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) | 12 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) | 15 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) | 25 years |  |  |
Office Building [Member] | Orlando, 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] | 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] | Tampa, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,018 |  |  |
Buildings and Improvements | 7,993 |  |  |
Total | 10,011 |  |  |
Accumulated Depreciation and Amortization | $ 1,903 |  |  |
Office Building [Member] | Tampa, Florida [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
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] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,443 |  |  |
Buildings and Improvements | 11,794 |  |  |
Total | 13,237 |  |  |
Accumulated Depreciation and Amortization | $ 1,812 |  |  |
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) | 9 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA 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) | 10 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA 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) | 11 years |  |  |
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) | 3 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) | 38 years |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 693 |  |  |
Buildings and Improvements | 6,405 |  |  |
Total | 7,098 |  |  |
Accumulated Depreciation and Amortization | $ 1,115 |  |  |
Office Building [Member] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12, 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] | McDonough, Georgia [Member] | McDonough, GA Office Acquired Sep-12, Property 2 [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, 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] | Meridian, Idaho [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 8,883 |  |  |
Land and Land Estates | 2,255 |  |  |
Buildings and Improvements | 7,797 |  |  |
Total | 10,052 |  |  |
Accumulated Depreciation and Amortization | $ 1,741 |  |  |
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 | $ 9,275 |  |  |
Land and Land Estates | 1,660 |  |  |
Buildings and Improvements | 4,792 |  |  |
Total | 6,452 |  |  |
Accumulated Depreciation and Amortization | $ 66 |  |  |
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) | 18 years |  |  |
Office Building [Member] | Lisle, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Office Building [Member] | Lisle, 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] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,007 |  |  |
Buildings and Improvements | 22,340 |  |  |
Total | 27,347 |  |  |
Accumulated Depreciation and Amortization | $ 4,736 |  |  |
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] | Schaumburg, Illinois [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] | 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] | Columbus, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 16,649 |  |  |
Land and Land Estates | 235 |  |  |
Buildings and Improvements | 45,729 |  |  |
Total | 45,964 |  |  |
Accumulated Depreciation and Amortization | $ 24,047 |  |  |
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 |  |  |
Land and Land Estates | 2,808 |  |  |
Buildings and Improvements | 19,373 |  |  |
Total | 22,181 |  |  |
Accumulated Depreciation and Amortization | $ 6,323 |  |  |
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 |  |  |
Land and Land Estates | 1,700 |  |  |
Buildings and Improvements | 18,541 |  |  |
Total | 20,241 |  |  |
Accumulated Depreciation and Amortization | $ 13,373 |  |  |
Office Building [Member] | Indianapolis, Indiana [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] | Indianapolis, Indiana [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 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] | Lexena, Kansas [Member] | Lenexa, KS Office Acquired Jul-08 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 34,981 |  |  |
Land and Land Estates | 6,909 |  |  |
Buildings and Improvements | 41,684 |  |  |
Total | 48,593 |  |  |
Accumulated Depreciation and Amortization | $ 12,565 |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS 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 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) | 13 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS 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) | 14 years |  |  |
Office Building [Member] | Lexena, Kansas [Member] | Lenexa, KS Office Acquired Jul-08 [Member] | Asset Component 4 [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 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 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 Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 9,056 |  |  |
Land and Land Estates | 2,828 |  |  |
Buildings and Improvements | 6,075 |  |  |
Total | 8,903 |  |  |
Accumulated Depreciation and Amortization | $ 1,250 |  |  |
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] | 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] | Overland Park, Kansas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 33,503 |  |  |
Land and Land Estates | 4,769 |  |  |
Buildings and Improvements | 41,956 |  |  |
Total | 46,725 |  |  |
Accumulated Depreciation and Amortization | $ 14,376 |  |  |
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 |  |  |
Land and Land Estates | 1,252 |  |  |
Buildings and Improvements | 11,085 |  |  |
Total | 12,337 |  |  |
Accumulated Depreciation and Amortization | $ 4,437 |  |  |
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] | 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] | Oakland, Maine [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 8,627 |  |  |
Land and Land Estates | 551 |  |  |
Buildings and Improvements | 8,774 |  |  |
Total | 9,325 |  |  |
Accumulated Depreciation and Amortization | $ 1,561 |  |  |
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] | 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] | Auburn Hill, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,416 |  |  |
Buildings and Improvements | 30,012 |  |  |
Total | 34,428 |  |  |
Accumulated Depreciation and Amortization | $ 2,665 |  |  |
Office Building [Member] | Auburn Hill, Michigan [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Office Building [Member] | Auburn Hill, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Office Building [Member] | Auburn Hill, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Office Building [Member] | Livonia, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 935 |  |  |
Buildings and Improvements | 13,714 |  |  |
Total | 14,649 |  |  |
Accumulated Depreciation and Amortization | $ 2,802 |  |  |
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] | Kansas City, Missouri [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 15,968 |  |  |
Land and Land Estates | 2,433 |  |  |
Buildings and Improvements | 20,154 |  |  |
Total | 22,587 |  |  |
Accumulated Depreciation and Amortization | $ 6,884 |  |  |
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] | Saint Joseph, Missouri [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 607 |  |  |
Buildings and Improvements | 14,004 |  |  |
Total | 14,611 |  |  |
Accumulated Depreciation and Amortization | $ 1,914 |  |  |
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] | Pascagoula, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 618 |  |  |
Buildings and Improvements | 3,677 |  |  |
Total | 4,295 |  |  |
Accumulated Depreciation and Amortization | $ 728 |  |  |
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] | 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] | Omaha, Nebraska [Member] | Omaha, NE Office Acquired Dec-13 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,058 |  |  |
Buildings and Improvements | 32,343 |  |  |
Total | 34,401 |  |  |
Accumulated Depreciation and Amortization | $ 2,892 |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE 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 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 Office Acquired Nov-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,566 |  |  |
Buildings and Improvements | 8,324 |  |  |
Total | 10,890 |  |  |
Accumulated Depreciation and Amortization | $ 2,817 |  |  |
Office Building [Member] | Omaha, Nebraska [Member] | Omaha, NE 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 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 |  |  |
Land and Land Estates | 4,646 |  |  |
Buildings and Improvements | 23,143 |  |  |
Total | 27,789 |  |  |
Accumulated Depreciation and Amortization | $ 6,391 |  |  |
Office Building [Member] | Rockaway, New Jersey [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] | Rockaway, New Jersey [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 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] | Wall, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 14,816 |  |  |
Land and Land Estates | 8,985 |  |  |
Buildings and Improvements | 26,961 |  |  |
Total | 35,946 |  |  |
Accumulated Depreciation and Amortization | $ 13,621 |  |  |
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 | $ 13,219 |  |  |
Land and Land Estates | 4,063 |  |  |
Buildings and Improvements | 19,711 |  |  |
Total | 23,774 |  |  |
Accumulated Depreciation and Amortization | $ 8,207 |  |  |
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] | Las Vegas, Nevada [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 12,099 |  |  |
Buildings and Improvements | 53,164 |  |  |
Total | 65,263 |  |  |
Accumulated Depreciation and Amortization | $ 13,589 |  |  |
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 |  |  |
Land and Land Estates | 1,594 |  |  |
Buildings and Improvements | 10,481 |  |  |
Total | 12,075 |  |  |
Accumulated Depreciation and Amortization | $ 1,572 |  |  |
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 |  |  |
Land and Land Estates | 432 |  |  |
Buildings and Improvements | 2,773 |  |  |
Total | 3,205 |  |  |
Accumulated Depreciation and Amortization | $ 381 |  |  |
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 |  |  |
Land and Land Estates | 2,085 |  |  |
Buildings and Improvements | 9,411 |  |  |
Total | 11,496 |  |  |
Accumulated Depreciation and Amortization | $ 3,087 |  |  |
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] | Eugene, Oregon [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,541 |  |  |
Buildings and Improvements | 13,098 |  |  |
Total | 14,639 |  |  |
Accumulated Depreciation and Amortization | $ 1,832 |  |  |
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] | 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] | Redmond, Oregon [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,064 |  |  |
Buildings and Improvements | 8,316 |  |  |
Total | 10,380 |  |  |
Accumulated Depreciation and Amortization | $ 1,554 |  |  |
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] | 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] | Jessup, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,520 |  |  |
Buildings and Improvements | 17,678 |  |  |
Total | 20,198 |  |  |
Accumulated Depreciation and Amortization | $ 3,091 |  |  |
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] | 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] | Philadelphia, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 13,209 |  |  |
Buildings and Improvements | 57,071 |  |  |
Total | 70,280 |  |  |
Accumulated Depreciation and Amortization | $ 36,291 |  |  |
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] | Florence, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 774 |  |  |
Buildings and Improvements | 3,629 |  |  |
Total | 4,403 |  |  |
Accumulated Depreciation and Amortization | $ 517 |  |  |
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 |  |  |
Land and Land Estates | 1,798 |  |  |
Buildings and Improvements | 26,038 |  |  |
Total | 27,836 |  |  |
Accumulated Depreciation and Amortization | $ 16,732 |  |  |
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 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 Dec-02 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,601 |  |  |
Buildings and Improvements | 15,340 |  |  |
Total | 18,941 |  |  |
Accumulated Depreciation and Amortization | $ 5,393 |  |  |
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] | 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] | Rock Hill, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 551 |  |  |
Buildings and Improvements | 4,313 |  |  |
Total | 4,864 |  |  |
Accumulated Depreciation and Amortization | $ 611 |  |  |
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 |  |  |
Land and Land Estates | 513 |  |  |
Buildings and Improvements | 403 |  |  |
Total | 916 |  |  |
Accumulated Depreciation and Amortization | $ 201 |  |  |
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] | 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] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 621 |  |  |
Buildings and Improvements | 6,487 |  |  |
Total | 7,108 |  |  |
Accumulated Depreciation and Amortization | $ 1,182 |  |  |
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] | Knoxville, Tennessee [Member] | Knoxville, TN 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) | 20 years |  |  |
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 Mar-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,079 |  |  |
Buildings and Improvements | 11,351 |  |  |
Total | 12,430 |  |  |
Accumulated Depreciation and Amortization | $ 6,876 |  |  |
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) | 10 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) | 11 years |  |  |
Office Building [Member] | Knoxville, Tennessee [Member] | Knoxville, TN Office Acquired Mar-05 [Member] | Asset Component 3 [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 Mar-05 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 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] | Memphis, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,291 |  |  |
Buildings and Improvements | 97,032 |  |  |
Total | 102,323 |  |  |
Accumulated Depreciation and Amortization | $ 25,269 |  |  |
Office Building [Member] | Memphis, Tennessee [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] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
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 |  |  |
Land and Land Estates | 5,591 |  |  |
Buildings and Improvements | 25,421 |  |  |
Total | 31,012 |  |  |
Accumulated Depreciation and Amortization | $ 8,950 |  |  |
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] | 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] | Arlington, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,274 |  |  |
Buildings and Improvements | 15,309 |  |  |
Total | 16,583 |  |  |
Accumulated Depreciation and Amortization | $ 2,471 |  |  |
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] | 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] | Carrollton, Texas [Member] | Carrollton, TX Office Acquired Jun-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,599 |  |  |
Buildings and Improvements | 22,050 |  |  |
Total | 24,649 |  |  |
Accumulated Depreciation and Amortization | $ 8,583 |  |  |
Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX 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 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 Office Acquired Jun-07, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 828 |  |  |
Buildings and Improvements | 0 |  |  |
Total | 828 |  |  |
Accumulated Depreciation and Amortization | 0 |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 1,875 |  |  |
Buildings and Improvements | 17,323 |  |  |
Total | 19,198 |  |  |
Accumulated Depreciation and Amortization | $ 7,864 |  |  |
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) | 10 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX 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) | 13 years |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [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] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05 [Member] | Asset Component 4 [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 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, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,875 |  |  |
Buildings and Improvements | 10,959 |  |  |
Total | 12,834 |  |  |
Accumulated Depreciation and Amortization | $ 7,500 |  |  |
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) | 13 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] | 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) | 4 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 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 800 |  |  |
Buildings and Improvements | 26,962 |  |  |
Total | 27,762 |  |  |
Accumulated Depreciation and Amortization | $ 21,017 |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 3 [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] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 3 [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] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, Property 3 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX Office Acquired Apr-05, 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] | Houston, Texas [Member] | Houston, TX Office Acquired Mar-04 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 16,613 |  |  |
Buildings and Improvements | 63,770 |  |  |
Total | 80,383 |  |  |
Accumulated Depreciation and Amortization | $ 18,178 |  |  |
Office Building [Member] | Houston, Texas [Member] | Houston, TX 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 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] | Irving, Texas [Member] | Irving, TX Office Acquired May-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 7,476 |  |  |
Buildings and Improvements | 45,985 |  |  |
Total | 53,461 |  |  |
Accumulated Depreciation and Amortization | $ 19,505 |  |  |
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 |  |  |
Land and Land Estates | 4,889 |  |  |
Buildings and Improvements | 30,192 |  |  |
Total | 35,081 |  |  |
Accumulated Depreciation and Amortization | $ 11,566 |  |  |
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] | 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] | Lake Jackson, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 196,512 |  |  |
Land and Land Estates | 4,357 |  |  |
Buildings and Improvements | 74,127 |  |  |
Total | 78,484 |  |  |
Accumulated Depreciation and Amortization | $ 260 |  |  |
Office Building [Member] | Lake Jackson, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Office Building [Member] | Lake Jackson, 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] | Mission, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,556 |  |  |
Buildings and Improvements | 2,911 |  |  |
Total | 5,467 |  |  |
Accumulated Depreciation and Amortization | $ 769 |  |  |
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] | 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] | San Antonio, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,800 |  |  |
Buildings and Improvements | 15,619 |  |  |
Total | 18,419 |  |  |
Accumulated Depreciation and Amortization | $ 11,829 |  |  |
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) | 10 years |  |  |
Office Building [Member] | San Antonio, 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] | 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] | Westlake, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,361 |  |  |
Buildings and Improvements | 23,572 |  |  |
Total | 25,933 |  |  |
Accumulated Depreciation and Amortization | $ 10,521 |  |  |
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 |  |  |
Land and Land Estates | 2,333 |  |  |
Buildings and Improvements | 11,354 |  |  |
Total | 13,687 |  |  |
Accumulated Depreciation and Amortization | $ 4,779 |  |  |
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) | 5 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) | 10 years |  |  |
Office Building [Member] | Hampton, Virginia [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] | Hampton, Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 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] | Herndon, Virginia [Member] | Herndon, VA Office Acquired Dec-99 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,127 |  |  |
Buildings and Improvements | 24,640 |  |  |
Total | 29,767 |  |  |
Accumulated Depreciation and Amortization | $ 9,913 |  |  |
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 |  |  |
Land and Land Estates | 9,409 |  |  |
Buildings and Improvements | 14,477 |  |  |
Total | 23,886 |  |  |
Accumulated Depreciation and Amortization | $ 5,565 |  |  |
Office Building [Member] | Herndon, Virginia [Member] | Herndon, VA 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) | 25 years |  |  |
Office Building [Member] | Herndon, Virginia [Member] | Herndon, VA 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] | Herndon, Virginia [Member] | Herndon, VA 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] | Midlothian, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,100 |  |  |
Buildings and Improvements | 12,707 |  |  |
Total | 13,807 |  |  |
Accumulated Depreciation and Amortization | $ 7,835 |  |  |
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] | 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] | Richmond, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 57,500 |  |  |
Land and Land Estates | 7,329 |  |  |
Buildings and Improvements | 89,318 |  |  |
Total | 96,647 |  |  |
Accumulated Depreciation and Amortization | $ 4,553 |  |  |
Office Building [Member] | Richmond, Virginia [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] | Richmond, Virginia [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] | Richmond, Virginia [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] | Richmond, Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Office Building [Member] | Richmond, Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Office Building [Member] | Huntington, West Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,368 |  |  |
Buildings and Improvements | 9,527 |  |  |
Total | 10,895 |  |  |
Accumulated Depreciation and Amortization | $ 1,594 |  |  |
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 |  |  |
Industrial Property [Member] | Anniston, Alabama [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,201 |  |  |
Buildings and Improvements | 16,771 |  |  |
Total | 17,972 |  |  |
Accumulated Depreciation and Amortization | $ 1,579 |  |  |
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] | 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] | Moody, Alabama [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 654 |  |  |
Buildings and Improvements | 9,943 |  |  |
Total | 10,597 |  |  |
Accumulated Depreciation and Amortization | $ 6,728 |  |  |
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] | Orlando, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,030 |  |  |
Buildings and Improvements | 10,869 |  |  |
Total | 11,899 |  |  |
Accumulated Depreciation and Amortization | $ 3,065 |  |  |
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 |  |  |
Land and Land Estates | 2,160 |  |  |
Buildings and Improvements | 8,488 |  |  |
Total | 10,648 |  |  |
Accumulated Depreciation and Amortization | $ 6,185 |  |  |
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] | Lavonia, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 7,326 |  |  |
Land and Land Estates | 171 |  |  |
Buildings and Improvements | 7,657 |  |  |
Total | 7,828 |  |  |
Accumulated Depreciation and Amortization | $ 938 |  |  |
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] | 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] | McDonough, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 21,922 |  |  |
Land and Land Estates | 2,463 |  |  |
Buildings and Improvements | 24,791 |  |  |
Total | 27,254 |  |  |
Accumulated Depreciation and Amortization | $ 6,556 |  |  |
Industrial Property [Member] | McDonough, Georgia [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] | McDonough, Georgia [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] | McDonough, Georgia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Industrial Property [Member] | McDonough, 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] | Thomson, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 909 |  |  |
Buildings and Improvements | 7,746 |  |  |
Total | 8,655 |  |  |
Accumulated Depreciation and Amortization | $ 622 |  |  |
Industrial Property [Member] | Thomson, Georgia [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] | Thomson, 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] | Thomson, Georgia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Des Moines, Iowa [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,528 |  |  |
Buildings and Improvements | 14,247 |  |  |
Total | 15,775 |  |  |
Accumulated Depreciation and Amortization | $ 2,539 |  |  |
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] | 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] | Edwardsville, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,593 |  |  |
Buildings and Improvements | 34,251 |  |  |
Total | 38,844 |  |  |
Accumulated Depreciation and Amortization | $ 0 |  |  |
Industrial Property [Member] | Edwardsville, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 17 years |  |  |
Industrial Property [Member] | Edwardsville, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Rantoul, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,304 |  |  |
Buildings and Improvements | 32,562 |  |  |
Total | 33,866 |  |  |
Accumulated Depreciation and Amortization | $ 2,684 |  |  |
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] | 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] | Rockford, Illinois [Member] | Rockford, IL Industrial Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 371 |  |  |
Buildings and Improvements | 2,573 |  |  |
Total | 2,944 |  |  |
Accumulated Depreciation and Amortization | $ 727 |  |  |
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 |  |  |
Land and Land Estates | 509 |  |  |
Buildings and Improvements | 5,289 |  |  |
Total | 5,798 |  |  |
Accumulated Depreciation and Amortization | $ 1,450 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Romeoville, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 7,524 |  |  |
Buildings and Improvements | 40,166 |  |  |
Total | 47,690 |  |  |
Accumulated Depreciation and Amortization | $ 138 |  |  |
Industrial Property [Member] | Romeoville, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 17 years |  |  |
Industrial Property [Member] | Romeoville, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Plymouth, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 254 |  |  |
Buildings and Improvements | 8,025 |  |  |
Total | 8,279 |  |  |
Accumulated Depreciation and Amortization | $ 1,247 |  |  |
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] | Plymouth, Indiana [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] | Plymouth, Indiana [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
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] | Dry Ridge, Kentucky [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 560 |  |  |
Buildings and Improvements | 12,553 |  |  |
Total | 13,113 |  |  |
Accumulated Depreciation and Amortization | $ 5,016 |  |  |
Industrial Property [Member] | Dry Ridge, Kentucky [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] | 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 Industrial Acquired Jun-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 890 |  |  |
Buildings and Improvements | 26,868 |  |  |
Total | 27,758 |  |  |
Accumulated Depreciation and Amortization | $ 10,738 |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY Industrial Acquired Jun-05 [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 Industrial Acquired Jun-05 [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 Industrial Acquired Jun-05, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 352 |  |  |
Buildings and Improvements | 4,862 |  |  |
Total | 5,214 |  |  |
Accumulated Depreciation and Amortization | $ 1,943 |  |  |
Industrial Property [Member] | Elizabethtown, Kentucky [Member] | Elizabethtown, KY Industrial Acquired Jun-05, Property 2 [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 Industrial Acquired Jun-05, Property 2 [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 | $ 0 |  |  |
Land and Land Estates | 631 |  |  |
Buildings and Improvements | 16,154 |  |  |
Total | 16,785 |  |  |
Accumulated Depreciation and Amortization | $ 6,844 |  |  |
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] | Owensboro, KY Industrial Acquired Jun-05 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 393 |  |  |
Buildings and Improvements | 11,956 |  |  |
Total | 12,349 |  |  |
Accumulated Depreciation and Amortization | $ 5,481 |  |  |
Industrial Property [Member] | Owensboro, Kentucky [Member] | Owensboro, KY Industrial Acquired Jun-05 [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] | Owensboro, KY Industrial Acquired Jun-05 [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] | Owensboro, KY Industrial Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 819 |  |  |
Buildings and Improvements | 2,439 |  |  |
Total | 3,258 |  |  |
Accumulated Depreciation and Amortization | $ 937 |  |  |
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 |  |  |
Land and Land Estates | 1,078 |  |  |
Buildings and Improvements | 10,134 |  |  |
Total | 11,212 |  |  |
Accumulated Depreciation and Amortization | $ 1,678 |  |  |
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] | 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 Mar-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 19,000 |  |  |
Land and Land Estates | 860 |  |  |
Buildings and Improvements | 21,840 |  |  |
Total | 22,700 |  |  |
Accumulated Depreciation and Amortization | $ 5,346 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | North Berwick, Maine [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 3,426 |  |  |
Land and Land Estates | 1,383 |  |  |
Buildings and Improvements | 35,659 |  |  |
Total | 37,042 |  |  |
Accumulated Depreciation and Amortization | $ 8,696 |  |  |
Industrial Property [Member] | North Berwick, Maine [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
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] | Detroit, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,133 |  |  |
Buildings and Improvements | 25,009 |  |  |
Total | 26,142 |  |  |
Accumulated Depreciation and Amortization | $ 1,301 |  |  |
Industrial Property [Member] | Detroit, Michigan [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] | Detroit, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Detroit, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Kalamazoo, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,942 |  |  |
Buildings and Improvements | 14,169 |  |  |
Total | 16,111 |  |  |
Accumulated Depreciation and Amortization | $ 2,467 |  |  |
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] | 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] | Marshall, Michigan [Member] | Marshall, MI Industrial Acquired Sep-12 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 143 |  |  |
Buildings and Improvements | 4,302 |  |  |
Total | 4,445 |  |  |
Accumulated Depreciation and Amortization | $ 2,044 |  |  |
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 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 Aug-87 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 40 |  |  |
Buildings and Improvements | 2,236 |  |  |
Total | 2,276 |  |  |
Accumulated Depreciation and Amortization | $ 1,009 |  |  |
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] | 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] | Plymouth, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,296 |  |  |
Buildings and Improvements | 13,608 |  |  |
Total | 15,904 |  |  |
Accumulated Depreciation and Amortization | $ 5,606 |  |  |
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] | Minneapolis, Minnesota [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,886 |  |  |
Buildings and Improvements | 1,922 |  |  |
Total | 3,808 |  |  |
Accumulated Depreciation and Amortization | $ 263 |  |  |
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] | 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] | Byhalia, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,006 |  |  |
Buildings and Improvements | 35,795 |  |  |
Total | 36,801 |  |  |
Accumulated Depreciation and Amortization | $ 4,022 |  |  |
Industrial Property [Member] | Byhalia, Mississippi [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Byhalia, 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] | Canton, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,077 |  |  |
Buildings and Improvements | 71,289 |  |  |
Total | 76,366 |  |  |
Accumulated Depreciation and Amortization | $ 6,043 |  |  |
Industrial Property [Member] | Canton, Mississippi [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] | Canton, Mississippi [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] | Canton, 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] | Canton, Mississippi [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 51 years |  |  |
Industrial Property [Member] | Olive Branch, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 198 |  |  |
Buildings and Improvements | 10,276 |  |  |
Total | 10,474 |  |  |
Accumulated Depreciation and Amortization | $ 7,027 |  |  |
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] | 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] | Henderson, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,488 |  |  |
Buildings and Improvements | 5,953 |  |  |
Total | 7,441 |  |  |
Accumulated Depreciation and Amortization | $ 2,252 |  |  |
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 |  |  |
Land and Land Estates | 1,330 |  |  |
Buildings and Improvements | 11,183 |  |  |
Total | 12,513 |  |  |
Accumulated Depreciation and Amortization | $ 6,184 |  |  |
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 |  |  |
Land and Land Estates | 405 |  |  |
Buildings and Improvements | 12,049 |  |  |
Total | 12,454 |  |  |
Accumulated Depreciation and Amortization | $ 3,876 |  |  |
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 |  |  |
Land and Land Estates | 1,421 |  |  |
Buildings and Improvements | 18,862 |  |  |
Total | 20,283 |  |  |
Accumulated Depreciation and Amortization | $ 3,887 |  |  |
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] | 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] | Statesville, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 891 |  |  |
Buildings and Improvements | 16,771 |  |  |
Total | 17,662 |  |  |
Accumulated Depreciation and Amortization | $ 4,958 |  |  |
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] | 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] | Durham, New Hampshire [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,464 |  |  |
Buildings and Improvements | 18,094 |  |  |
Total | 21,558 |  |  |
Accumulated Depreciation and Amortization | $ 5,880 |  |  |
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 |  |  |
Land and Land Estates | 3,244 |  |  |
Buildings and Improvements | 21,732 |  |  |
Total | 24,976 |  |  |
Accumulated Depreciation and Amortization | $ 1,685 |  |  |
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] | North Las Vegas, Nevada [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) |  |  |  |
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] | Erwin, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 7,448 |  |  |
Land and Land Estates | 1,648 |  |  |
Buildings and Improvements | 12,355 |  |  |
Total | 14,003 |  |  |
Accumulated Depreciation and Amortization | $ 1,929 |  |  |
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] | Erwin, New York [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
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] | Long Island City, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 46,309 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 42,759 |  |  |
Total | 42,759 |  |  |
Accumulated Depreciation and Amortization | $ 10,889 |  |  |
Industrial Property [Member] | Long Island City, New York [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Long Island City, New York [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Chillicothe, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 735 |  |  |
Buildings and Improvements | 9,021 |  |  |
Total | 9,756 |  |  |
Accumulated Depreciation and Amortization | $ 2,329 |  |  |
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] | 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] | Cincinnati, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,049 |  |  |
Buildings and Improvements | 8,784 |  |  |
Total | 9,833 |  |  |
Accumulated Depreciation and Amortization | $ 2,496 |  |  |
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] | 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] | Columbus, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,990 |  |  |
Buildings and Improvements | 10,580 |  |  |
Total | 12,570 |  |  |
Accumulated Depreciation and Amortization | $ 3,479 |  |  |
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 | $ 0 |  |  |
Land and Land Estates | 2,228 |  |  |
Buildings and Improvements | 24,530 |  |  |
Total | 26,758 |  |  |
Accumulated Depreciation and Amortization | $ 6,578 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,063 |  |  |
Buildings and Improvements | 4,817 |  |  |
Total | 5,880 |  |  |
Accumulated Depreciation and Amortization | $ 1,659 |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [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] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [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] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,681 |  |  |
Buildings and Improvements | 8,102 |  |  |
Total | 9,783 |  |  |
Accumulated Depreciation and Amortization | $ 3,097 |  |  |
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] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 5 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 6 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 7 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
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] | Streetsboro, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 17,304 |  |  |
Land and Land Estates | 2,441 |  |  |
Buildings and Improvements | 25,092 |  |  |
Total | 27,533 |  |  |
Accumulated Depreciation and Amortization | $ 8,024 |  |  |
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] | 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] | Wilsonville, Oregon [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 6,815 |  |  |
Buildings and Improvements | 32,380 |  |  |
Total | 39,195 |  |  |
Accumulated Depreciation and Amortization | $ 354 |  |  |
Industrial Property [Member] | Wilsonville, Oregon [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] | Wilsonville, Oregon [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Industrial Property [Member] | Wilsonville, Oregon [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Bristol, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,508 |  |  |
Buildings and Improvements | 15,863 |  |  |
Total | 18,371 |  |  |
Accumulated Depreciation and Amortization | $ 6,578 |  |  |
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] | 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] | Anderson, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,663 |  |  |
Buildings and Improvements | 44,987 |  |  |
Total | 49,650 |  |  |
Accumulated Depreciation and Amortization | $ 1,099 |  |  |
Industrial Property [Member] | Anderson, 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 |  |  |
Industrial Property [Member] | Anderson, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 8 years |  |  |
Industrial Property [Member] | Anderson, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Chester, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 8,055 |  |  |
Land and Land Estates | 1,629 |  |  |
Buildings and Improvements | 8,470 |  |  |
Total | 10,099 |  |  |
Accumulated Depreciation and Amortization | $ 1,341 |  |  |
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] | 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] | Duncan, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 884 |  |  |
Buildings and Improvements | 8,626 |  |  |
Total | 9,510 |  |  |
Accumulated Depreciation and Amortization | $ 2,174 |  |  |
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 |  |  |
Land and Land Estates | 5,552 |  |  |
Buildings and Improvements | 21,741 |  |  |
Total | 27,293 |  |  |
Accumulated Depreciation and Amortization | $ 6,572 |  |  |
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) | 4 years |  |  |
Industrial Property [Member] | Laurens, South Carolina [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Laurens, South Carolina [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
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] | Crossville, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 545 |  |  |
Buildings and Improvements | 6,999 |  |  |
Total | 7,544 |  |  |
Accumulated Depreciation and Amortization | $ 3,865 |  |  |
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] | Franklin, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 5,673 |  |  |
Total | 5,673 |  |  |
Accumulated Depreciation and Amortization | $ 2,134 |  |  |
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] | 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] | Lewisburg, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 173 |  |  |
Buildings and Improvements | 10,865 |  |  |
Total | 11,038 |  |  |
Accumulated Depreciation and Amortization | $ 905 |  |  |
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] | 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] | Memphis, Tennessee [Member] | Memphis, TN Industrial Acquired Feb-88 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,054 |  |  |
Buildings and Improvements | 11,538 |  |  |
Total | 12,592 |  |  |
Accumulated Depreciation and Amortization | $ 11,440 |  |  |
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 |  |  |
Land and Land Estates | 1,553 |  |  |
Buildings and Improvements | 12,326 |  |  |
Total | 13,879 |  |  |
Accumulated Depreciation and Amortization | $ 3,791 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Industrial Property [Member] | Millington, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 723 |  |  |
Buildings and Improvements | 19,383 |  |  |
Total | 20,106 |  |  |
Accumulated Depreciation and Amortization | $ 11,093 |  |  |
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] | 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] | Arlington, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 589 |  |  |
Buildings and Improvements | 7,655 |  |  |
Total | 8,244 |  |  |
Accumulated Depreciation and Amortization | $ 997 |  |  |
Industrial Property [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 |  |  |
Industrial Property [Member] | Arlington, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Industrial Property [Member] | Arlington, 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] | Brookshire, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,388 |  |  |
Buildings and Improvements | 16,614 |  |  |
Total | 19,002 |  |  |
Accumulated Depreciation and Amortization | $ 1,360 |  |  |
Industrial Property [Member] | Brookshire, Texas [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] | Brookshire, Texas [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Brookshire, Texas [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-15 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,674 |  |  |
Buildings and Improvements | 19,540 |  |  |
Total | 24,214 |  |  |
Accumulated Depreciation and Amortization | $ 3,741 |  |  |
Industrial Property [Member] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-15 [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] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-15 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Industrial Property [Member] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-15 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
Industrial Property [Member] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-13 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 15,055 |  |  |
Buildings and Improvements | 57,949 |  |  |
Total | 73,004 |  |  |
Accumulated Depreciation and Amortization | $ 6,764 |  |  |
Industrial Property [Member] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-13 [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] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-13 [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] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-13 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
Industrial Property [Member] | Houston, Texas [Member] | Houston, TX Industrial Acquired Mar-13 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 35 years |  |  |
Industrial Property [Member] | Missouri City, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 14,555 |  |  |
Buildings and Improvements | 5,895 |  |  |
Total | 20,450 |  |  |
Accumulated Depreciation and Amortization | $ 3,930 |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
Industrial Property [Member] | Waxahachie, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 652 |  |  |
Buildings and Improvements | 13,045 |  |  |
Total | 13,697 |  |  |
Accumulated Depreciation and Amortization | $ 10,295 |  |  |
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] | 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] | Winchester, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,823 |  |  |
Buildings and Improvements | 12,276 |  |  |
Total | 16,099 |  |  |
Accumulated Depreciation and Amortization | $ 3,704 |  |  |
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 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 18,075 |  |  |
Total | 18,075 |  |  |
Accumulated Depreciation and Amortization | $ 2,406 |  |  |
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 |  |  |
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] | Richland, Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 110,000 |  |  |
Land and Land Estates | 1,293 |  |  |
Buildings and Improvements | 126,947 |  |  |
Total | 128,240 |  |  |
Accumulated Depreciation and Amortization | $ 6,127 |  |  |
Industrial Property [Member] | Richland, Washington [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] | Richland, 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] | Richland, Washington [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Industrial Property [Member] | Oak Creek, Wisconsin [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,015 |  |  |
Buildings and Improvements | 15,300 |  |  |
Total | 18,315 |  |  |
Accumulated Depreciation and Amortization | $ 975 |  |  |
Industrial Property [Member] | Oak Creek, Wisconsin [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] | Oak Creek, 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] | Oak Creek, Wisconsin [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Multi-tenanted [Member] | Phoenix, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,831 |  |  |
Buildings and Improvements | 15,635 |  |  |
Total | 17,466 |  |  |
Accumulated Depreciation and Amortization | $ 4,233 |  |  |
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] | Honolulu, Hawaii [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 8,259 |  |  |
Buildings and Improvements | 7,363 |  |  |
Total | 15,622 |  |  |
Accumulated Depreciation and Amortization | $ 2,380 |  |  |
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) | 3 years |  |  |
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) | 5 years |  |  |
Multi-tenanted [Member] | Foxborough, Massachusetts [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,174 |  |  |
Buildings and Improvements | 13,478 |  |  |
Total | 14,652 |  |  |
Accumulated Depreciation and Amortization | $ 8,224 |  |  |
Multi-tenanted [Member] | Foxborough, Massachusetts [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Multi-tenanted [Member] | Foxborough, Massachusetts [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Southfield, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 15,434 |  |  |
Total | 15,434 |  |  |
Accumulated Depreciation and Amortization | $ 8,928 |  |  |
Multi-tenanted [Member] | Southfield, Michigan [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] | Southfield, Michigan [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
Multi-tenanted [Member] | Southfield, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Multi-tenanted [Member] | Southfield, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Multi-tenanted [Member] | Temperance, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,040 |  |  |
Buildings and Improvements | 14,924 |  |  |
Total | 17,964 |  |  |
Accumulated Depreciation and Amortization | $ 4,501 |  |  |
Multi-tenanted [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 |  |  |
Multi-tenanted [Member] | Temperance, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 2 years |  |  |
Multi-tenanted [Member] | Temperance, Michigan [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 |  |  |
Land and Land Estates | 603 |  |  |
Buildings and Improvements | 1,271 |  |  |
Total | 1,874 |  |  |
Accumulated Depreciation and Amortization | $ 124 |  |  |
Multi-tenanted [Member] | Bridgeton, Missouri [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Multi-tenanted [Member] | Bridgeton, Missouri [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 32 years |  |  |
Multi-tenanted [Member] | Charleston, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 7,090 |  |  |
Land and Land Estates | 1,189 |  |  |
Buildings and Improvements | 9,127 |  |  |
Total | 10,316 |  |  |
Accumulated Depreciation and Amortization | $ 3,847 |  |  |
Multi-tenanted [Member] | Charleston, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
Multi-tenanted [Member] | Charleston, 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] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,235 |  |  |
Buildings and Improvements | 13,141 |  |  |
Total | 16,376 |  |  |
Accumulated Depreciation and Amortization | $ 5,490 |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
Multi-tenanted [Member] | Rock Hill, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,160 |  |  |
Buildings and Improvements | 5,740 |  |  |
Total | 6,900 |  |  |
Accumulated Depreciation and Amortization | $ 0 |  |  |
Multi-tenanted [Member] | Rock Hill, South Carolina [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 19 years |  |  |
Multi-tenanted [Member] | Rock Hill, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Multi-tenanted [Member] | Rock Hill, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 37 years |  |  |
Multi-tenanted [Member] | Antioch, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,847 |  |  |
Buildings and Improvements | 12,500 |  |  |
Total | 16,347 |  |  |
Accumulated Depreciation and Amortization | $ 2,379 |  |  |
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] | Memphis, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 3,496 |  |  |
Land and Land Estates | 191 |  |  |
Buildings and Improvements | 1,059 |  |  |
Total | 1,250 |  |  |
Accumulated Depreciation and Amortization | $ 0 |  |  |
Multi-tenanted [Member] | Memphis, Tennessee [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
Multi-tenanted [Member] | Memphis, Tennessee [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 30 years |  |  |
Multi-tenanted [Member] | Farmers Branch, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,984 |  |  |
Buildings and Improvements | 27,308 |  |  |
Total | 31,292 |  |  |
Accumulated Depreciation and Amortization | $ 11,053 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Multi-tenanted [Member] | Garland, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,161 |  |  |
Buildings and Improvements | 833 |  |  |
Total | 1,994 |  |  |
Accumulated Depreciation and Amortization | $ 833 |  |  |
Useful life computing depreciation in latest income statement (years) | 1 year |  |  |
Other Property [Member] | Manteca, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 546 |  |  |
Land and Land Estates | 2,082 |  |  |
Buildings and Improvements | 6,464 |  |  |
Total | 8,546 |  |  |
Accumulated Depreciation and Amortization | $ 1,860 |  |  |
Other Property [Member] | Manteca, California [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 23 years |  |  |
Other Property [Member] | Manteca, California [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | San Diego, California [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 348 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 13,310 |  |  |
Total | 13,310 |  |  |
Accumulated Depreciation and Amortization | $ 3,299 |  |  |
Other Property [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 |  |  |
Other Property [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 |  |  |
Other Property [Member] | Venice, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,696 |  |  |
Buildings and Improvements | 11,753 |  |  |
Total | 16,449 |  |  |
Accumulated Depreciation and Amortization | $ 4,439 |  |  |
Other Property [Member] | Venice, Florida [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
Other Property [Member] | Venice, Florida [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Other Property [Member] | Albany, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,468 |  |  |
Buildings and Improvements | 5,137 |  |  |
Total | 6,605 |  |  |
Accumulated Depreciation and Amortization | $ 503 |  |  |
Other Property [Member] | Albany, Georgia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
Other Property [Member] | Albany, Georgia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Atlanta, Georgia [Member] | Atlanta, GA Other Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,014 |  |  |
Buildings and Improvements | 269 |  |  |
Total | 1,283 |  |  |
Accumulated Depreciation and Amortization | $ 329 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Atlanta, Georgia [Member] | Atlanta, GA Other Acquired Dec-06, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 870 |  |  |
Buildings and Improvements | 187 |  |  |
Total | 1,057 |  |  |
Accumulated Depreciation and Amortization | $ 268 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Cumming, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,558 |  |  |
Buildings and Improvements | 1,368 |  |  |
Total | 2,926 |  |  |
Accumulated Depreciation and Amortization | $ 739 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Dunwoody, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 770 |  |  |
Buildings and Improvements | 186 |  |  |
Total | 956 |  |  |
Accumulated Depreciation and Amortization | $ 260 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Forest Park, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 668 |  |  |
Buildings and Improvements | 1,242 |  |  |
Total | 1,910 |  |  |
Accumulated Depreciation and Amortization | $ 493 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Jonesboro, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 778 |  |  |
Buildings and Improvements | 146 |  |  |
Total | 924 |  |  |
Accumulated Depreciation and Amortization | $ 236 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Stone Mountain, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 672 |  |  |
Buildings and Improvements | 276 |  |  |
Total | 948 |  |  |
Accumulated Depreciation and Amortization | $ 243 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Galesburg, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 307 |  |  |
Land and Land Estates | 560 |  |  |
Buildings and Improvements | 2,366 |  |  |
Total | 2,926 |  |  |
Accumulated Depreciation and Amortization | $ 788 |  |  |
Other Property [Member] | Galesburg, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
Other Property [Member] | Galesburg, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Lawrence, Indiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 404 |  |  |
Buildings and Improvements | 1,737 |  |  |
Total | 2,141 |  |  |
Accumulated Depreciation and Amortization | $ 442 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Baltimore, Maryland [Member] | Baltimore, MD Other Acquired Dec-15 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,000 |  |  |
Buildings and Improvements | 0 |  |  |
Total | 5,000 |  |  |
Accumulated Depreciation and Amortization | 0 |  |  |
Other Property [Member] | Baltimore, Maryland [Member] | Baltimore, MD Other Acquired Dec-06 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 4,605 |  |  |
Buildings and Improvements | 0 |  |  |
Total | 4,605 |  |  |
Accumulated Depreciation and Amortization | 0 |  |  |
Other Property [Member] | Jefferson, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 71 |  |  |
Buildings and Improvements | 884 |  |  |
Total | 955 |  |  |
Accumulated Depreciation and Amortization | $ 255 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Lexington, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 832 |  |  |
Buildings and Improvements | 1,429 |  |  |
Total | 2,261 |  |  |
Accumulated Depreciation and Amortization | $ 358 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Thomasville, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 208 |  |  |
Buildings and Improvements | 561 |  |  |
Total | 769 |  |  |
Accumulated Depreciation and Amortization | $ 89 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Vineland, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,698 |  |  |
Buildings and Improvements | 12,790 |  |  |
Total | 15,488 |  |  |
Accumulated Depreciation and Amortization | $ 909 |  |  |
Other Property [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 |  |  |
Other Property [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 |  |  |
Other Property [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 |  |  |
Other Property [Member] | Port Chester, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,841 |  |  |
Buildings and Improvements | 5,246 |  |  |
Total | 9,087 |  |  |
Accumulated Depreciation and Amortization | $ 1,185 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Watertown, New York [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 514 |  |  |
Land and Land Estates | 386 |  |  |
Buildings and Improvements | 5,162 |  |  |
Total | 5,548 |  |  |
Accumulated Depreciation and Amortization | $ 1,564 |  |  |
Other Property [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 |  |  |
Other Property [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 |  |  |
Other Property [Member] | Canton, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 884 |  |  |
Buildings and Improvements | 3,534 |  |  |
Total | 4,418 |  |  |
Accumulated Depreciation and Amortization | $ 1,336 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Lorain, Ohio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 773 |  |  |
Land and Land Estates | 1,893 |  |  |
Buildings and Improvements | 7,024 |  |  |
Total | 8,917 |  |  |
Accumulated Depreciation and Amortization | $ 2,023 |  |  |
Other Property [Member] | Lorain, Ohio [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 23 years |  |  |
Other Property [Member] | Lorain, Ohio [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Lawton, Oklahoma [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 663 |  |  |
Buildings and Improvements | 1,288 |  |  |
Total | 1,951 |  |  |
Accumulated Depreciation and Amortization | $ 489 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Tulsa, Oklahoma [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 445 |  |  |
Buildings and Improvements | 2,433 |  |  |
Total | 2,878 |  |  |
Accumulated Depreciation and Amortization | $ 2,508 |  |  |
Other Property [Member] | Tulsa, Oklahoma [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
Other Property [Member] | Tulsa, Oklahoma [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 24 years |  |  |
Other Property [Member] | Chattanooga, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 487 |  |  |
Buildings and Improvements | 956 |  |  |
Total | 1,443 |  |  |
Accumulated Depreciation and Amortization | $ 148 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Paris, Tennessee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 247 |  |  |
Buildings and Improvements | 547 |  |  |
Total | 794 |  |  |
Accumulated Depreciation and Amortization | $ 200 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Danville, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,454 |  |  |
Buildings and Improvements | 0 |  |  |
Total | 3,454 |  |  |
Accumulated Depreciation and Amortization | 0 |  |  |
Other Property [Member] | Staunton, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 1,028 |  |  |
Buildings and Improvements | 326 |  |  |
Total | 1,354 |  |  |
Accumulated Depreciation and Amortization | $ 104 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Edmonds, Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 3,947 |  |  |
Total | 3,947 |  |  |
Accumulated Depreciation and Amortization | $ 1,211 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
Other Property [Member] | Fairlea, West Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 361 |  |  |
Land and Land Estates | 501 |  |  |
Buildings and Improvements | 1,985 |  |  |
Total | 2,486 |  |  |
Accumulated Depreciation and Amortization | $ 545 |  |  |
Other Property [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 |  |  |
Other Property [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 |  |  |
LCIF [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 169,212 |  |  |
Land and Land Estates | 86,120 |  |  |
Buildings and Improvements | 644,257 |  |  |
Total | 731,202 | 1,061,606 | 910,113 | 892,621
Accumulated Depreciation and Amortization | 182,505 | 199,690 | $ 176,167 | $ 172,965
Construction in progress | 825 | $ 367 |  |
Unamortized debt issuance costs | (746) |  |  |
LCIF [Member] | Office Building [Member] | Phoenix, Arizona [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 5,585 |  |  |
Buildings and Improvements | 36,923 |  |  |
Total | 42,508 |  |  |
Accumulated Depreciation and Amortization | $ 4,417 |  |  |
LCIF [Member] | Office Building [Member] | Phoenix, Arizona [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
LCIF [Member] | Office Building [Member] | Phoenix, Arizona [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 17 years |  |  |
LCIF [Member] | Office Building [Member] | Phoenix, Arizona [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Office Building [Member] | Phoenix, Arizona [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Office Building [Member] | Centenial, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 4,851 |  |  |
Buildings and Improvements | 15,239 |  |  |
Total | 20,090 |  |  |
Accumulated Depreciation and Amortization | $ 6,491 |  |  |
LCIF [Member] | Office Building [Member] | Centenial, Colorado [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Office Building [Member] | Centenial, Colorado [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Office Building [Member] | Louisville, Colorado [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,657 |  |  |
Buildings and Improvements | 11,504 |  |  |
Total | 15,161 |  |  |
Accumulated Depreciation and Amortization | $ 3,692 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Louisville, Colorado [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Office Building [Member] | Louisville, Colorado [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 11 years |  |  |
LCIF [Member] | Office Building [Member] | Louisville, Colorado [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Wallingford, Connecticut [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,049 |  |  |
Buildings and Improvements | 4,773 |  |  |
Total | 5,822 |  |  |
Accumulated Depreciation and Amortization | $ 1,831 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Boca Raton, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 19,365 |  |  |
Land and Land Estates | 4,290 |  |  |
Buildings and Improvements | 17,160 |  |  |
Total | 21,450 |  |  |
Accumulated Depreciation and Amortization | $ 5,953 |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Office Building [Member] | Schaumburg, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,007 |  |  |
Buildings and Improvements | 22,340 |  |  |
Total | 27,347 |  |  |
Accumulated Depreciation and Amortization | $ 4,736 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Schaumburg, Illinois [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Overland Park, Kansas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 33,503 |  |  |
Land and Land Estates | 4,769 |  |  |
Buildings and Improvements | 41,956 |  |  |
Total | 46,725 |  |  |
Accumulated Depreciation and Amortization | $ 14,376 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Baton Rouge, Louisiana [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,252 |  |  |
Buildings and Improvements | 11,085 |  |  |
Total | 12,337 |  |  |
Accumulated Depreciation and Amortization | $ 4,437 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
Land and Land Estates | 1,798 |  |  |
Buildings and Improvements | 26,038 |  |  |
Total | 27,836 |  |  |
Accumulated Depreciation and Amortization | $ 16,732 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
Land and Land Estates | 3,601 |  |  |
Buildings and Improvements | 15,340 |  |  |
Total | 18,941 |  |  |
Accumulated Depreciation and Amortization | $ 5,393 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX Office Acquired Jun-07 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,599 |  |  |
Buildings and Improvements | 22,050 |  |  |
Total | 24,649 |  |  |
Accumulated Depreciation and Amortization | $ 8,583 |  |  |
LCIF [Member] | Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX 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 |  |  |
LCIF [Member] | Office Building [Member] | Carrollton, Texas [Member] | Carrollton, 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 |  |  |
LCIF [Member] | Office Building [Member] | Carrollton, Texas [Member] | Carrollton, TX Office Acquired Jun-07, Property 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 828 |  |  |
Buildings and Improvements | 0 |  |  |
Total | 828 |  |  |
Accumulated Depreciation and Amortization | 0 |  |  |
LCIF [Member] | Office Building [Member] | Westlake, Texas [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Land and Land Estates | 2,361 |  |  |
Buildings and Improvements | 23,572 |  |  |
Total | 25,933 |  |  |
Accumulated Depreciation and Amortization | $ 10,521 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Office Building [Member] | Herndon, Virginia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 5,127 |  |  |
Buildings and Improvements | 24,640 |  |  |
Total | 29,767 |  |  |
Accumulated Depreciation and Amortization | $ 9,913 |  |  |
LCIF [Member] | Office Building [Member] | Herndon, Virginia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
LCIF [Member] | Office Building [Member] | Herndon, Virginia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Industrial Property [Member] | Moody, Alabama [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 654 |  |  |
Buildings and Improvements | 9,943 |  |  |
Total | 10,597 |  |  |
Accumulated Depreciation and Amortization | $ 6,728 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Tampa, Florida [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,160 |  |  |
Buildings and Improvements | 8,488 |  |  |
Total | 10,648 |  |  |
Accumulated Depreciation and Amortization | $ 6,185 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Romeoville, Illinois [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 7,524 |  |  |
Buildings and Improvements | 40,166 |  |  |
Total | 47,690 |  |  |
Accumulated Depreciation and Amortization | $ 138 |  |  |
LCIF [Member] | Industrial Property [Member] | Romeoville, Illinois [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 17 years |  |  |
LCIF [Member] | Industrial Property [Member] | Romeoville, Illinois [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 40 |  |  |
Buildings and Improvements | 2,236 |  |  |
Total | 2,276 |  |  |
Accumulated Depreciation and Amortization | $ 1,009 |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 12 years |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 9 years |  |  |
LCIF [Member] | Industrial Property [Member] | Marshall, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Industrial Property [Member] | Byhalia, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,006 |  |  |
Buildings and Improvements | 35,795 |  |  |
Total | 36,801 |  |  |
Accumulated Depreciation and Amortization | $ 4,022 |  |  |
LCIF [Member] | Industrial Property [Member] | Byhalia, Mississippi [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
LCIF [Member] | Industrial Property [Member] | Byhalia, Mississippi [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Industrial Property [Member] | Olive Branch, Mississippi [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 198 |  |  |
Buildings and Improvements | 10,276 |  |  |
Total | 10,474 |  |  |
Accumulated Depreciation and Amortization | $ 7,027 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | High Point, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,330 |  |  |
Buildings and Improvements | 11,183 |  |  |
Total | 12,513 |  |  |
Accumulated Depreciation and Amortization | $ 6,184 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Shelby, North Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,421 |  |  |
Buildings and Improvements | 18,918 |  |  |
Total | 20,339 |  |  |
Accumulated Depreciation and Amortization | $ 3,887 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,063 |  |  |
Buildings and Improvements | 4,817 |  |  |
Total | 5,880 |  |  |
Accumulated Depreciation and Amortization | $ 1,659 |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Asset Component 3 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-97 [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,681 |  |  |
Buildings and Improvements | 8,102 |  |  |
Total | 9,783 |  |  |
Accumulated Depreciation and Amortization | $ 3,097 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 4 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 6 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 5 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 6 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
LCIF [Member] | Industrial Property [Member] | Hebron, Ohio [Member] | Hebron, OH Industrial, Acquired Dec-01 [Member] | Asset Component 7 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Bristol, Pennsylvania [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,508 |  |  |
Buildings and Improvements | 15,863 |  |  |
Total | 18,371 |  |  |
Accumulated Depreciation and Amortization | $ 6,578 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Industrial Property [Member] | Richland, Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 110,000 |  |  |
Land and Land Estates | 1,293 |  |  |
Buildings and Improvements | 126,947 |  |  |
Total | 128,240 |  |  |
Accumulated Depreciation and Amortization | $ 6,127 |  |  |
LCIF [Member] | Industrial Property [Member] | Richland, Washington [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 20 years |  |  |
LCIF [Member] | Industrial Property [Member] | Richland, Washington [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 10 years |  |  |
LCIF [Member] | Industrial Property [Member] | Richland, Washington [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Honolulu, Hawaii [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 8,259 |  |  |
Buildings and Improvements | 7,363 |  |  |
Total | 15,622 |  |  |
Accumulated Depreciation and Amortization | $ 2,380 |  |  |
LCIF [Member] | 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) | 3 years |  |  |
LCIF [Member] | 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 |  |  |
LCIF [Member] | Multi-tenanted [Member] | Honolulu, Hawaii [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 5 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Foxborough, Massachusetts [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,174 |  |  |
Buildings and Improvements | 13,478 |  |  |
Total | 14,652 |  |  |
Accumulated Depreciation and Amortization | $ 8,224 |  |  |
LCIF [Member] | Multi-tenanted [Member] | Foxborough, Massachusetts [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Foxborough, Massachusetts [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Southfield, Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 0 |  |  |
Buildings and Improvements | 15,434 |  |  |
Total | 15,434 |  |  |
Accumulated Depreciation and Amortization | $ 8,928 |  |  |
LCIF [Member] | Multi-tenanted [Member] | Southfield, Michigan [Member] | Asset Component 1 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 7 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Southfield, Michigan [Member] | Asset Component 2 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 16 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Southfield, Michigan [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Southfield, Michigan [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Charleston, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 7,090 |  |  |
Land and Land Estates | 1,189 |  |  |
Buildings and Improvements | 9,127 |  |  |
Total | 10,316 |  |  |
Accumulated Depreciation and Amortization | $ 3,847 |  |  |
LCIF [Member] | Multi-tenanted [Member] | Charleston, South Carolina [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 25 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Charleston, South Carolina [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Multi-tenanted [Member] | Florence, South Carolina [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 3,235 |  |  |
Buildings and Improvements | 13,141 |  |  |
Total | 16,376 |  |  |
Accumulated Depreciation and Amortization | $ 5,490 |  |  |
Useful life computing depreciation in latest income statement (years) | 3 years |  |  |
LCIF [Member] | Other Property [Member] | Albany, Georgia [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 1,468 |  |  |
Buildings and Improvements | 5,137 |  |  |
Total | 6,605 |  |  |
Accumulated Depreciation and Amortization | $ 503 |  |  |
LCIF [Member] | Other Property [Member] | Albany, Georgia [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 15 years |  |  |
LCIF [Member] | Other Property [Member] | Albany, Georgia [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 40 years |  |  |
LCIF [Member] | Other Property [Member] | Vineland, New Jersey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 2,698 |  |  |
Buildings and Improvements | 12,790 |  |  |
Total | 15,488 |  |  |
Accumulated Depreciation and Amortization | $ 909 |  |  |
LCIF [Member] | Other Property [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 |  |  |
LCIF [Member] | Other Property [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 |  |  |
LCIF [Member] | Other Property [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 |  |  |
LCIF [Member] | Other Property [Member] | Tulsa, Oklahoma [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Land and Land Estates | 445 |  |  |
Buildings and Improvements | 2,433 |  |  |
Total | 2,878 |  |  |
Accumulated Depreciation and Amortization | $ 2,508 |  |  |
LCIF [Member] | Other Property [Member] | Tulsa, Oklahoma [Member] | Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 14 years |  |  |
LCIF [Member] | Other Property [Member] | Tulsa, Oklahoma [Member] | Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Useful life computing depreciation in latest income statement (years) | 24 years |  |  |

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