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Schedule III: Real estate and Accumulated depreciation (Details) (USD $) In Thousands, unless otherwise specified |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2013 Lexington Avenue Property [Member] | Dec. 31, 2013 Lexington Avenue Property [Member] Maximum [Member] | Dec. 31, 2013 Lexington Avenue Property [Member] Minimum [Member] | Dec. 31, 2013 Rego Park 1 Shopping [Member] | Dec. 31, 2013 Rego Park 1 Shopping [Member] Maximum [Member] | Dec. 31, 2013 Rego Park 1 Shopping [Member] Minimum [Member] | Dec. 31, 2013 Rego Park 2 Residential Property [Member] | Dec. 31, 2013 Rego Park 2 Retail Property [Member] | Dec. 31, 2013 Rego Park 2 Retail Property [Member] Maximum [Member] | Dec. 31, 2013 Rego Park 2 Retail Property [Member] Minimum [Member] | Dec. 31, 2013 Paramus Property [Member] | Dec. 31, 2013 Flushing Property [Member] | Dec. 31, 2013 Rego Park 3 Property [Member] | Dec. 31, 2013 Rego Park 3 Property [Member] Maximum [Member] | Dec. 31, 2013 Rego Park 3 Property [Member] Minimum [Member] | Dec. 31, 2013 Other Properties [Member]
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Encumbrances | $ 1,049,959 |  |  |  | $ 634,217 |  |  | $ 78,246 |  |  | $ 0 | $ 269,496 |  |  | $ 68,000 | $ 0 | $ 0 |  |  | $ 0
Initial cost of Land | 21,593 |  |  |  | 14,432 |  |  | 1,647 |  |  | 0 | 3,127 |  |  | 1,441 | 0 | 779 |  |  | 167
Initial cost of Building, Leaseholds and Leasehold improvements | 26,239 |  |  |  | 12,355 |  |  | 8,953 |  |  | 0 | 1,467 |  |  | 0 | 1,660 | 0 |  |  | 1,804
Costs capitalized subsequent to acquisition | 871,744 |  |  |  | 426,552 |  |  | 48,177 |  |  | 2,265 | 384,105 |  |  | 10,313 | (107) | 2,243 |  |  | (1,804)
Carrying amount of Land | 44,971 |  |  |  | 27,497 |  |  | 1,647 |  |  | 0 | 3,127 |  |  | 11,754 | 0 | 779 |  |  | 167
Carring amount of Building, Leaseholds and Leasehold improvements | 869,681 |  |  |  | 425,842 |  |  | 56,380 |  |  | 0 | 385,403 |  |  | 0 | 1,553 | 503 |  |  | 0
Construction in progress | 4,924 |  |  |  | 0 |  |  | 750 |  |  | 2,265 | 169 |  |  | 0 | 0 | 1,740 |  |  | 0
Total carrying value of property | 919,576 |  |  |  | 453,339 |  |  | 58,777 |  |  | 2,265 | 388,699 |  |  | 11,754 | 1,553 | 3,022 |  |  | 167
Accumulated depreciation and amortization | 185,375 | 160,826 | 136,460 | 112,765 | 116,361 |  |  | 26,056 |  |  | 0 | 42,145 |  |  | 0 | 732 | 81 |  |  | 0
Date of construction |  |  |  |  | 2003 |  |  | 1959 |  |  |  | 2009 |  |  |  | 1975 |  |  |  |
Date acquired |  |  |  |  | 1992 |  |  | 1992 |  |  | 1992 | 1992 |  |  | 1992 | 1992 | 1992 |  |  | 1992
Property, Plant and Equipment, Useful Life |  |  |  |  |  | 39 years | 9 years |  | 39 years | 3 years |  |  | 40 years | 3 years |  |  |  | 15 years | 5 years |
Differences Between Book and Tax Basis | $ 189,757 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The carrying amount at which land, buildings and improvements and construction in progress are carried at the end of the period. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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