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Schedule III: Real estate and Accumulated depreciation (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | $ 1,330,932
Initial cost of Land | 22,090
Initial cost of Building, Leaseholds and Leasehold improvements | 35,781
Costs capitalized subsequent to acquisition | 1,004,337
Carrying amount of Land | 74,974
Carring amount of Building, Leaseholds and Leasehold improvements | 985,637
Construction in progress | 1,597
Total carrying value of property | 1,062,208
Accumulated depreciation and amortization | 184,873
Differences Between Book and Tax Basis | 209,775
Lexington Avenue Property [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 659,890
Initial cost of Land | 14,432
Initial cost of Building, Leaseholds and Leasehold improvements | 12,355
Costs capitalized subsequent to acquisition | 424,823
Carrying amount of Land | 27,498
Carring amount of Building, Leaseholds and Leasehold improvements | 424,112
Construction in progress | 0
Total carrying value of property | 451,610
Accumulated depreciation and amortization | 91,615
Date of construction | 2003
Date acquired | 1992
Depreciation in latest income statement is computed Minimum | 9
Depreciation in latest income statement is computed Maximum | 39
Kings Plaza Regional Shopping Center [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 250,000
Initial cost of Land | 497
Initial cost of Building, Leaseholds and Leasehold improvements | 9,542
Costs capitalized subsequent to acquisition | 145,262
Carrying amount of Land | 30,002
Carring amount of Building, Leaseholds and Leasehold improvements | 124,805
Construction in progress | 494
Total carrying value of property | 155,301
Accumulated depreciation and amortization | 48,413
Date of construction | 1970
Date acquired | 1992
Depreciation in latest income statement is computed Minimum | 5
Depreciation in latest income statement is computed Maximum | 50
Rego Park 1 Shopping [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 78,246
Initial cost of Land | 1,647
Initial cost of Building, Leaseholds and Leasehold improvements | 8,953
Costs capitalized subsequent to acquisition | 47,361
Carrying amount of Land | 1,647
Carring amount of Building, Leaseholds and Leasehold improvements | 56,302
Construction in progress | 12
Total carrying value of property | 57,961
Accumulated depreciation and amortization | 22,986
Date of construction | 1959
Date acquired | 1992
Depreciation in latest income statement is computed Minimum | 5
Depreciation in latest income statement is computed Maximum | 39
Rego Park 2 Property [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 274,796
Initial cost of Land | 3,127
Initial cost of Building, Leaseholds and Leasehold improvements | 1,467
Costs capitalized subsequent to acquisition | 376,948
Carrying amount of Land | 3,127
Carring amount of Building, Leaseholds and Leasehold improvements | 378,415
Construction in progress | 0
Total carrying value of property | 381,542
Accumulated depreciation and amortization | 21,243
Date of construction | 2009
Date acquired | 1992
Depreciation in latest income statement is computed Minimum | 5
Depreciation in latest income statement is computed Maximum | 40
Paramus Property [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 68,000
Initial cost of Land | 1,441
Initial cost of Building, Leaseholds and Leasehold improvements | 0
Costs capitalized subsequent to acquisition | 10,313
Carrying amount of Land | 11,754
Carring amount of Building, Leaseholds and Leasehold improvements | 0
Construction in progress | 0
Total carrying value of property | 11,754
Accumulated depreciation and amortization | 0
Date acquired | 1992
Flushing Property [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 0
Initial cost of Land | 0
Initial cost of Building, Leaseholds and Leasehold improvements | 1,660
Costs capitalized subsequent to acquisition | (107)
Carrying amount of Land | 0
Carring amount of Building, Leaseholds and Leasehold improvements | 1,553
Construction in progress | 0
Total carrying value of property | 1,553
Accumulated depreciation and amortization | 613
Date of construction | 1975
Date acquired | 1992
Rego Park 3 Property [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 0
Initial cost of Land | 779
Initial cost of Building, Leaseholds and Leasehold improvements | 0
Costs capitalized subsequent to acquisition | 1,541
Carrying amount of Land | 779
Carring amount of Building, Leaseholds and Leasehold improvements | 450
Construction in progress | 1,091
Total carrying value of property | 2,320
Accumulated depreciation and amortization | 3
Date acquired | 1992
Depreciation in latest income statement is computed Minimum | 5
Real Estate and Accumulated Depreciation, Life Used for Depreciation | 15
Other Properties [Member] |
Real Estate and Accumulated Depreciation [Line Items] |
Encumbrances | 0
Initial cost of Land | 167
Initial cost of Building, Leaseholds and Leasehold improvements | 1,804
Costs capitalized subsequent to acquisition | (1,804)
Carrying amount of Land | 167
Carring amount of Building, Leaseholds and Leasehold improvements | 0
Construction in progress | 0
Total carrying value of property | 167
Accumulated depreciation and amortization | $ 0
Date acquired | 1992

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- Definition The cumulative difference between book value and tax basis of assets and liabilities + References No definition available. + Details
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- Definition The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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- Definition The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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- Definition The amount of accumulated depreciation for the property as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674 + Details
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- Definition The carrying amount at which buildings and improvements are carried at the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674 + Details
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- Definition Date property was acquired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674 + Details
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