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SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION - Schedule of Real Estate and Accumulated Depreciation (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 | $ 1,055,728 |  |  |
Initial Cost to Company of Land | 796,928 |  |  |
Initial Cost to Company of Buildings and Improvements | 1,774,296 |  |  |
Costs Capitalized Subsequent to Acquisition | 810,776 |  |  |
Carrying Amount of Land | 751,655 |  |  |
Carrying Amount of Buildings and Improvements | 2,630,345 |  |  |
Total Carrying Amount | 3,382,000 | $ 2,736,283 | $ 2,208,595 | $ 1,819,053
Accumulated Depreciation | 287,066 | 298,703 | $ 256,015 | $ 229,538
Debt of assets held for sale | 25,500 |  |  |
Unamortized premium | 1,336 | $ 1,364 |  |
Real Estate, Federal Income Tax Basis | $ 2,550,500 |  |  |
Minimum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Real Estate and Accumulated Depreciation, Life Used for Depreciation | 30 years |  |  |
Maximum [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Real Estate and Accumulated Depreciation, Life Used for Depreciation | 40 years |  |  |
Core Portfolio [Member] | Crescent Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 0 |  |  |
Initial Cost to Company of Land | 1,147 |  |  |
Initial Cost to Company of Buildings and Improvements | 7,425 |  |  |
Costs Capitalized Subsequent to Acquisition | 3,027 |  |  |
Carrying Amount of Land | 1,147 |  |  |
Carrying Amount of Buildings and Improvements | 10,452 |  |  |
Total Carrying Amount | 11,599 |  |  |
Accumulated Depreciation | 7,395 |  |  |
Core Portfolio [Member] | New Louden Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 505 |  |  |
Initial Cost to Company of Buildings and Improvements | 4,161 |  |  |
Costs Capitalized Subsequent to Acquisition | 13,353 |  |  |
Carrying Amount of Land | 505 |  |  |
Carrying Amount of Buildings and Improvements | 17,514 |  |  |
Total Carrying Amount | 18,019 |  |  |
Accumulated Depreciation | 13,968 |  |  |
Core Portfolio [Member] | Mark Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,396 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 3,396 |  |  |
Total Carrying Amount | 3,396 |  |  |
Accumulated Depreciation | 2,887 |  |  |
Core Portfolio [Member] | Plaza 422 [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 190 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,004 |  |  |
Costs Capitalized Subsequent to Acquisition | 2,765 |  |  |
Carrying Amount of Land | 190 |  |  |
Carrying Amount of Buildings and Improvements | 5,769 |  |  |
Total Carrying Amount | 5,959 |  |  |
Accumulated Depreciation | 5,155 |  |  |
Core Portfolio [Member] | Route 6 Mall [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,664 |  |  |
Initial Cost to Company of Buildings and Improvements | 0 |  |  |
Costs Capitalized Subsequent to Acquisition | 12,437 |  |  |
Carrying Amount of Land | 1,664 |  |  |
Carrying Amount of Buildings and Improvements | 12,437 |  |  |
Total Carrying Amount | 14,101 |  |  |
Accumulated Depreciation | 8,559 |  |  |
Core Portfolio [Member] | Abington Towne Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 799 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,197 |  |  |
Costs Capitalized Subsequent to Acquisition | 2,400 |  |  |
Carrying Amount of Land | 799 |  |  |
Carrying Amount of Buildings and Improvements | 5,597 |  |  |
Total Carrying Amount | 6,396 |  |  |
Accumulated Depreciation | 3,754 |  |  |
Core Portfolio [Member] | Bloomfield Town Square [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,207 |  |  |
Initial Cost to Company of Buildings and Improvements | 13,774 |  |  |
Costs Capitalized Subsequent to Acquisition | 22,463 |  |  |
Carrying Amount of Land | 3,207 |  |  |
Carrying Amount of Buildings and Improvements | 36,237 |  |  |
Total Carrying Amount | 39,444 |  |  |
Accumulated Depreciation | 19,922 |  |  |
Core Portfolio [Member] | Elmwood Park Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,248 |  |  |
Initial Cost to Company of Buildings and Improvements | 12,992 |  |  |
Costs Capitalized Subsequent to Acquisition | 15,860 |  |  |
Carrying Amount of Land | 3,798 |  |  |
Carrying Amount of Buildings and Improvements | 28,302 |  |  |
Total Carrying Amount | 32,100 |  |  |
Accumulated Depreciation | 18,112 |  |  |
Core Portfolio [Member] | Merrillville Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 24,779 |  |  |
Initial Cost to Company of Land | 4,288 |  |  |
Initial Cost to Company of Buildings and Improvements | 17,152 |  |  |
Costs Capitalized Subsequent to Acquisition | 5,647 |  |  |
Carrying Amount of Land | 4,288 |  |  |
Carrying Amount of Buildings and Improvements | 22,799 |  |  |
Total Carrying Amount | 27,087 |  |  |
Accumulated Depreciation | 11,276 |  |  |
Core Portfolio [Member] | Marketplace of Absecon [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 2,573 |  |  |
Initial Cost to Company of Buildings and Improvements | 10,294 |  |  |
Costs Capitalized Subsequent to Acquisition | 4,900 |  |  |
Carrying Amount of Land | 2,577 |  |  |
Carrying Amount of Buildings and Improvements | 15,190 |  |  |
Total Carrying Amount | 17,767 |  |  |
Accumulated Depreciation | 7,612 |  |  |
Core Portfolio [Member] | 239 Greenwich Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 27,000 |  |  |
Initial Cost to Company of Land | 1,817 |  |  |
Initial Cost to Company of Buildings and Improvements | 15,846 |  |  |
Costs Capitalized Subsequent to Acquisition | 776 |  |  |
Carrying Amount of Land | 1,817 |  |  |
Carrying Amount of Buildings and Improvements | 16,622 |  |  |
Total Carrying Amount | 18,439 |  |  |
Accumulated Depreciation | 7,389 |  |  |
Core Portfolio [Member] | Hobson West Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,793 |  |  |
Initial Cost to Company of Buildings and Improvements | 7,172 |  |  |
Costs Capitalized Subsequent to Acquisition | 1,970 |  |  |
Carrying Amount of Land | 1,793 |  |  |
Carrying Amount of Buildings and Improvements | 9,142 |  |  |
Total Carrying Amount | 10,935 |  |  |
Accumulated Depreciation | 4,855 |  |  |
Core Portfolio [Member] | Village Commons Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,229 |  |  |
Initial Cost to Company of Buildings and Improvements | 12,917 |  |  |
Costs Capitalized Subsequent to Acquisition | 4,225 |  |  |
Carrying Amount of Land | 3,229 |  |  |
Carrying Amount of Buildings and Improvements | 17,142 |  |  |
Total Carrying Amount | 20,371 |  |  |
Accumulated Depreciation | 8,852 |  |  |
Core Portfolio [Member] | Town Line Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 878 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,510 |  |  |
Costs Capitalized Subsequent to Acquisition | 7,736 |  |  |
Carrying Amount of Land | 907 |  |  |
Carrying Amount of Buildings and Improvements | 11,217 |  |  |
Total Carrying Amount | 12,124 |  |  |
Accumulated Depreciation | 8,914 |  |  |
Core Portfolio [Member] | Branch Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,156 |  |  |
Initial Cost to Company of Buildings and Improvements | 12,545 |  |  |
Costs Capitalized Subsequent to Acquisition | 15,883 |  |  |
Carrying Amount of Land | 3,401 |  |  |
Carrying Amount of Buildings and Improvements | 28,183 |  |  |
Total Carrying Amount | 31,584 |  |  |
Accumulated Depreciation | 9,719 |  |  |
Core Portfolio [Member] | The Methuen Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 956 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,826 |  |  |
Costs Capitalized Subsequent to Acquisition | 993 |  |  |
Carrying Amount of Land | 961 |  |  |
Carrying Amount of Buildings and Improvements | 4,814 |  |  |
Total Carrying Amount | 5,775 |  |  |
Accumulated Depreciation | 2,369 |  |  |
Core Portfolio [Member] | The Gateway Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,273 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,091 |  |  |
Costs Capitalized Subsequent to Acquisition | 12,258 |  |  |
Carrying Amount of Land | 1,273 |  |  |
Carrying Amount of Buildings and Improvements | 17,349 |  |  |
Total Carrying Amount | 18,622 |  |  |
Accumulated Depreciation | 8,902 |  |  |
Core Portfolio [Member] | Mad River Station [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 2,350 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,404 |  |  |
Costs Capitalized Subsequent to Acquisition | 1,579 |  |  |
Carrying Amount of Land | 2,350 |  |  |
Carrying Amount of Buildings and Improvements | 10,983 |  |  |
Total Carrying Amount | 13,333 |  |  |
Accumulated Depreciation | 5,256 |  |  |
Core Portfolio [Member] | Pacesetter Park Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,475 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,899 |  |  |
Costs Capitalized Subsequent to Acquisition | 3,350 |  |  |
Carrying Amount of Land | 1,475 |  |  |
Carrying Amount of Buildings and Improvements | 9,249 |  |  |
Total Carrying Amount | 10,724 |  |  |
Accumulated Depreciation | 4,603 |  |  |
Core Portfolio [Member] | Brandywine Town Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 26,250 |  |  |
Initial Cost to Company of Land | 5,063 |  |  |
Initial Cost to Company of Buildings and Improvements | 15,252 |  |  |
Costs Capitalized Subsequent to Acquisition | 2,495 |  |  |
Carrying Amount of Land | 5,201 |  |  |
Carrying Amount of Buildings and Improvements | 17,609 |  |  |
Total Carrying Amount | 22,810 |  |  |
Accumulated Depreciation | 6,392 |  |  |
Core Portfolio [Member] | Bartow Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,691 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,803 |  |  |
Costs Capitalized Subsequent to Acquisition | 1,111 |  |  |
Carrying Amount of Land | 1,691 |  |  |
Carrying Amount of Buildings and Improvements | 6,914 |  |  |
Total Carrying Amount | 8,605 |  |  |
Accumulated Depreciation | 2,732 |  |  |
Core Portfolio [Member] | Amboy Rd. Shopping Ctr. [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 11,909 |  |  |
Costs Capitalized Subsequent to Acquisition | 2,482 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 14,391 |  |  |
Total Carrying Amount | 14,391 |  |  |
Accumulated Depreciation | 5,812 |  |  |
Core Portfolio [Member] | 613-623 West Diversey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 10,061 |  |  |
Initial Cost to Company of Buildings and Improvements | 2,773 |  |  |
Costs Capitalized Subsequent to Acquisition | 972 |  |  |
Carrying Amount of Land | 10,061 |  |  |
Carrying Amount of Buildings and Improvements | 3,745 |  |  |
Total Carrying Amount | 13,806 |  |  |
Accumulated Depreciation | 984 |  |  |
Core Portfolio [Member] | Chestnut Hill [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 8,289 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,691 |  |  |
Costs Capitalized Subsequent to Acquisition | 4,509 |  |  |
Carrying Amount of Land | 8,289 |  |  |
Carrying Amount of Buildings and Improvements | 10,200 |  |  |
Total Carrying Amount | 18,489 |  |  |
Accumulated Depreciation | 3,175 |  |  |
Core Portfolio [Member] | Third Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 11,108 |  |  |
Initial Cost to Company of Buildings and Improvements | 8,038 |  |  |
Costs Capitalized Subsequent to Acquisition | 4,701 |  |  |
Carrying Amount of Land | 11,855 |  |  |
Carrying Amount of Buildings and Improvements | 11,992 |  |  |
Total Carrying Amount | 23,847 |  |  |
Accumulated Depreciation | 2,456 |  |  |
Core Portfolio [Member] | West Shore Expressway [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,380 |  |  |
Initial Cost to Company of Buildings and Improvements | 13,499 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 3,380 |  |  |
Carrying Amount of Buildings and Improvements | 13,499 |  |  |
Total Carrying Amount | 16,879 |  |  |
Accumulated Depreciation | 3,732 |  |  |
Core Portfolio [Member] | West 54th Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 16,699 |  |  |
Initial Cost to Company of Buildings and Improvements | 18,704 |  |  |
Costs Capitalized Subsequent to Acquisition | 992 |  |  |
Carrying Amount of Land | 16,699 |  |  |
Carrying Amount of Buildings and Improvements | 19,696 |  |  |
Total Carrying Amount | 36,395 |  |  |
Accumulated Depreciation | 4,837 |  |  |
Core Portfolio [Member] | Acadia 5-7 East 17th Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,048 |  |  |
Initial Cost to Company of Buildings and Improvements | 7,281 |  |  |
Costs Capitalized Subsequent to Acquisition | 5,147 |  |  |
Carrying Amount of Land | 3,048 |  |  |
Carrying Amount of Buildings and Improvements | 12,428 |  |  |
Total Carrying Amount | 15,476 |  |  |
Accumulated Depreciation | 2,027 |  |  |
Core Portfolio [Member] | West Diversey 651-671 W Diversey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 8,576 |  |  |
Initial Cost to Company of Buildings and Improvements | 17,256 |  |  |
Costs Capitalized Subsequent to Acquisition | 8 |  |  |
Carrying Amount of Land | 8,576 |  |  |
Carrying Amount of Buildings and Improvements | 17,264 |  |  |
Total Carrying Amount | 25,840 |  |  |
Accumulated Depreciation | 2,409 |  |  |
Core Portfolio [Member] | Mercer Street 15 Mercer Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,887 |  |  |
Initial Cost to Company of Buildings and Improvements | 2,483 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 1,887 |  |  |
Carrying Amount of Buildings and Improvements | 2,483 |  |  |
Total Carrying Amount | 4,370 |  |  |
Accumulated Depreciation | 341 |  |  |
Core Portfolio [Member] | 4401 White Plains [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 5,884 |  |  |
Initial Cost to Company of Land | 1,581 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,054 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 1,581 |  |  |
Carrying Amount of Buildings and Improvements | 5,054 |  |  |
Total Carrying Amount | 6,635 |  |  |
Accumulated Depreciation | 674 |  |  |
Core Portfolio [Member] | Chicago Street Retail Portfolio [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 18,521 |  |  |
Initial Cost to Company of Buildings and Improvements | 55,627 |  |  |
Costs Capitalized Subsequent to Acquisition | 1,923 |  |  |
Carrying Amount of Land | 18,560 |  |  |
Carrying Amount of Buildings and Improvements | 57,511 |  |  |
Total Carrying Amount | 76,071 |  |  |
Accumulated Depreciation | 6,761 |  |  |
Core Portfolio [Member] | 1520 North Milwaukee Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 2,110 |  |  |
Initial Cost to Company of Buildings and Improvements | 1,306 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 2,110 |  |  |
Carrying Amount of Buildings and Improvements | 1,306 |  |  |
Total Carrying Amount | 3,416 |  |  |
Accumulated Depreciation | 161 |  |  |
Core Portfolio [Member] | 330 River Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 11,884 |  |  |
Initial Cost to Company of Land | 8,404 |  |  |
Initial Cost to Company of Buildings and Improvements | 14,235 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 8,404 |  |  |
Carrying Amount of Buildings and Improvements | 14,235 |  |  |
Total Carrying Amount | 22,639 |  |  |
Accumulated Depreciation | 1,812 |  |  |
Core Portfolio [Member] | Rhode Island Place Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 7,458 |  |  |
Initial Cost to Company of Buildings and Improvements | 15,968 |  |  |
Costs Capitalized Subsequent to Acquisition | 917 |  |  |
Carrying Amount of Land | 7,458 |  |  |
Carrying Amount of Buildings and Improvements | 16,885 |  |  |
Total Carrying Amount | 24,343 |  |  |
Accumulated Depreciation | 2,142 |  |  |
Core Portfolio [Member] | 930 Rush Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 4,933 |  |  |
Initial Cost to Company of Buildings and Improvements | 14,587 |  |  |
Costs Capitalized Subsequent to Acquisition | 9 |  |  |
Carrying Amount of Land | 4,933 |  |  |
Carrying Amount of Buildings and Improvements | 14,596 |  |  |
Total Carrying Amount | 19,529 |  |  |
Accumulated Depreciation | 1,732 |  |  |
Core Portfolio [Member] | 28 Jericho Turnpike [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 14,869 |  |  |
Initial Cost to Company of Land | 6,220 |  |  |
Initial Cost to Company of Buildings and Improvements | 24,416 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 6,220 |  |  |
Carrying Amount of Buildings and Improvements | 24,416 |  |  |
Total Carrying Amount | 30,636 |  |  |
Accumulated Depreciation | 2,935 |  |  |
Core Portfolio [Member] | 181 Main Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,908 |  |  |
Initial Cost to Company of Buildings and Improvements | 12,158 |  |  |
Costs Capitalized Subsequent to Acquisition | 41 |  |  |
Carrying Amount of Land | 1,908 |  |  |
Carrying Amount of Buildings and Improvements | 12,199 |  |  |
Total Carrying Amount | 14,107 |  |  |
Accumulated Depreciation | 1,278 |  |  |
Core Portfolio [Member] | 83 Spring Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,754 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,200 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 1,754 |  |  |
Carrying Amount of Buildings and Improvements | 9,200 |  |  |
Total Carrying Amount | 10,954 |  |  |
Accumulated Depreciation | 1,035 |  |  |
Core Portfolio [Member] | 60 Orange Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 7,769 |  |  |
Initial Cost to Company of Land | 3,609 |  |  |
Initial Cost to Company of Buildings and Improvements | 10,790 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 3,609 |  |  |
Carrying Amount of Buildings and Improvements | 10,790 |  |  |
Total Carrying Amount | 14,399 |  |  |
Accumulated Depreciation | 1,264 |  |  |
Core Portfolio [Member] | 171-53 and 181-03 Connecticut Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 11,690 |  |  |
Initial Cost to Company of Buildings and Improvements | 10,135 |  |  |
Costs Capitalized Subsequent to Acquisition | 726 |  |  |
Carrying Amount of Land | 11,689 |  |  |
Carrying Amount of Buildings and Improvements | 10,862 |  |  |
Total Carrying Amount | 22,551 |  |  |
Accumulated Depreciation | 1,199 |  |  |
Core Portfolio [Member] | 639 West Diversey [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 4,429 |  |  |
Initial Cost to Company of Buildings and Improvements | 6,102 |  |  |
Costs Capitalized Subsequent to Acquisition | 804 |  |  |
Carrying Amount of Land | 4,429 |  |  |
Carrying Amount of Buildings and Improvements | 6,906 |  |  |
Total Carrying Amount | 11,335 |  |  |
Accumulated Depreciation | 775 |  |  |
Core Portfolio [Member] | 664 North Michigan Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 41,846 |  |  |
Initial Cost to Company of Land | 15,240 |  |  |
Initial Cost to Company of Buildings and Improvements | 65,331 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 15,240 |  |  |
Carrying Amount of Buildings and Improvements | 65,331 |  |  |
Total Carrying Amount | 80,571 |  |  |
Accumulated Depreciation | 6,345 |  |  |
Core Portfolio [Member] | 8-12 East Walton [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 5,398 |  |  |
Initial Cost to Company of Buildings and Improvements | 15,601 |  |  |
Costs Capitalized Subsequent to Acquisition | 29 |  |  |
Carrying Amount of Land | 5,398 |  |  |
Carrying Amount of Buildings and Improvements | 15,630 |  |  |
Total Carrying Amount | 21,028 |  |  |
Accumulated Depreciation | 1,414 |  |  |
Core Portfolio [Member] | 3200 - 3204 M Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 6,899 |  |  |
Initial Cost to Company of Buildings and Improvements | 4,249 |  |  |
Costs Capitalized Subsequent to Acquisition | 168 |  |  |
Carrying Amount of Land | 6,899 |  |  |
Carrying Amount of Buildings and Improvements | 4,417 |  |  |
Total Carrying Amount | 11,316 |  |  |
Accumulated Depreciation | 401 |  |  |
Core Portfolio [Member] | 868 Broadway [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 3,519 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,247 |  |  |
Costs Capitalized Subsequent to Acquisition | 5 |  |  |
Carrying Amount of Land | 3,519 |  |  |
Carrying Amount of Buildings and Improvements | 9,252 |  |  |
Total Carrying Amount | 12,771 |  |  |
Accumulated Depreciation | 711 |  |  |
Core Portfolio [Member] | 313 - 315 Bowery [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,516 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 5,516 |  |  |
Total Carrying Amount | 5,516 |  |  |
Accumulated Depreciation | 670 |  |  |
Core Portfolio [Member] | 120 West Broadway [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 32,819 |  |  |
Costs Capitalized Subsequent to Acquisition | 919 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 33,738 |  |  |
Total Carrying Amount | 33,738 |  |  |
Accumulated Depreciation | 1,593 |  |  |
Core Portfolio [Member] | 11 East Walton [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 16,744 |  |  |
Initial Cost to Company of Buildings and Improvements | 28,346 |  |  |
Costs Capitalized Subsequent to Acquisition | 192 |  |  |
Carrying Amount of Land | 16,744 |  |  |
Carrying Amount of Buildings and Improvements | 28,538 |  |  |
Total Carrying Amount | 45,282 |  |  |
Accumulated Depreciation | 2,198 |  |  |
Core Portfolio [Member] | 61 Main Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 4,578 |  |  |
Initial Cost to Company of Buildings and Improvements | 2,645 |  |  |
Costs Capitalized Subsequent to Acquisition | 20 |  |  |
Carrying Amount of Land | 4,578 |  |  |
Carrying Amount of Buildings and Improvements | 2,665 |  |  |
Total Carrying Amount | 7,243 |  |  |
Accumulated Depreciation | 243 |  |  |
Core Portfolio [Member] | 865 W. North Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,893 |  |  |
Initial Cost to Company of Buildings and Improvements | 11,594 |  |  |
Costs Capitalized Subsequent to Acquisition | 23 |  |  |
Carrying Amount of Land | 1,893 |  |  |
Carrying Amount of Buildings and Improvements | 11,617 |  |  |
Total Carrying Amount | 13,510 |  |  |
Accumulated Depreciation | 813 |  |  |
Core Portfolio [Member] | 152 - 154 Spring Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 8,544 |  |  |
Initial Cost to Company of Buildings and Improvements | 27,001 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 8,544 |  |  |
Carrying Amount of Buildings and Improvements | 27,001 |  |  |
Total Carrying Amount | 35,545 |  |  |
Accumulated Depreciation | 1,834 |  |  |
Core Portfolio [Member] | 2520 Flatbush Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 6,613 |  |  |
Initial Cost to Company of Buildings and Improvements | 10,419 |  |  |
Costs Capitalized Subsequent to Acquisition | 193 |  |  |
Carrying Amount of Land | 6,613 |  |  |
Carrying Amount of Buildings and Improvements | 10,612 |  |  |
Total Carrying Amount | 17,225 |  |  |
Accumulated Depreciation | 754 |  |  |
Core Portfolio [Member] | 252 - 254 Greenwich Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 10,175 |  |  |
Initial Cost to Company of Buildings and Improvements | 12,641 |  |  |
Costs Capitalized Subsequent to Acquisition | 119 |  |  |
Carrying Amount of Land | 10,175 |  |  |
Carrying Amount of Buildings and Improvements | 12,760 |  |  |
Total Carrying Amount | 22,935 |  |  |
Accumulated Depreciation | 978 |  |  |
Core Portfolio [Member] | Bedford Green [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 28,697 |  |  |
Initial Cost to Company of Land | 12,425 |  |  |
Initial Cost to Company of Buildings and Improvements | 32,730 |  |  |
Costs Capitalized Subsequent to Acquisition | 1,801 |  |  |
Carrying Amount of Land | 12,425 |  |  |
Carrying Amount of Buildings and Improvements | 34,531 |  |  |
Total Carrying Amount | 46,956 |  |  |
Accumulated Depreciation | 2,264 |  |  |
Core Portfolio [Member] | 131 - 135 Prince Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 57,536 |  |  |
Costs Capitalized Subsequent to Acquisition | 103 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 57,639 |  |  |
Total Carrying Amount | 57,639 |  |  |
Accumulated Depreciation | 6,344 |  |  |
Core Portfolio [Member] | Shops At Grand Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 20,264 |  |  |
Initial Cost to Company of Buildings and Improvements | 33,131 |  |  |
Costs Capitalized Subsequent to Acquisition | 279 |  |  |
Carrying Amount of Land | 20,264 |  |  |
Carrying Amount of Buildings and Improvements | 33,410 |  |  |
Total Carrying Amount | 53,674 |  |  |
Accumulated Depreciation | 1,898 |  |  |
Core Portfolio [Member] | 201 Needham Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 4,550 |  |  |
Initial Cost to Company of Buildings and Improvements | 4,459 |  |  |
Costs Capitalized Subsequent to Acquisition | 105 |  |  |
Carrying Amount of Land | 4,550 |  |  |
Carrying Amount of Buildings and Improvements | 4,564 |  |  |
Total Carrying Amount | 9,114 |  |  |
Accumulated Depreciation | 303 |  |  |
Core Portfolio [Member] | City Center San Francisco, CA [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 36,063 |  |  |
Initial Cost to Company of Buildings and Improvements | 109,098 |  |  |
Costs Capitalized Subsequent to Acquisition | 658 |  |  |
Carrying Amount of Land | 36,063 |  |  |
Carrying Amount of Buildings and Improvements | 109,756 |  |  |
Total Carrying Amount | 145,819 |  |  |
Accumulated Depreciation | 4,909 |  |  |
Core Portfolio [Member] | 163 Highland Avenue Needham, MA [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 9,359 |  |  |
Initial Cost to Company of Land | 12,679 |  |  |
Initial Cost to Company of Buildings and Improvements | 11,213 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 12,679 |  |  |
Carrying Amount of Buildings and Improvements | 11,213 |  |  |
Total Carrying Amount | 23,892 |  |  |
Accumulated Depreciation | 624 |  |  |
Core Portfolio [Member] | Roosevelt Galleria [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 4,838 |  |  |
Initial Cost to Company of Buildings and Improvements | 14,574 |  |  |
Costs Capitalized Subsequent to Acquisition | 26 |  |  |
Carrying Amount of Land | 4,838 |  |  |
Carrying Amount of Buildings and Improvements | 14,600 |  |  |
Total Carrying Amount | 19,438 |  |  |
Accumulated Depreciation | 489 |  |  |
Core Portfolio [Member] | Route 202 Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 6,346 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 6,346 |  |  |
Total Carrying Amount | 6,346 |  |  |
Accumulated Depreciation | 302 |  |  |
Core Portfolio [Member] | 991 Madison Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 76,965 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 76,965 |  |  |
Total Carrying Amount | 76,965 |  |  |
Accumulated Depreciation | 0 |  |  |
Core Portfolio [Member] | 165 Newbury Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,918 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,980 |  |  |
Carrying Amount of Land | 1,918 |  |  |
Carrying Amount of Buildings and Improvements | 3,980 |  |  |
Total Carrying Amount | 5,898 |  |  |
Accumulated Depreciation | 66 |  |  |
Core Portfolio [Member] | Concord and Milwaukee [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 2,874 |  |  |
Initial Cost to Company of Land | 2,739 |  |  |
Initial Cost to Company of Buildings and Improvements | 2,746 |  |  |
Carrying Amount of Land | 2,739 |  |  |
Carrying Amount of Buildings and Improvements | 2,746 |  |  |
Total Carrying Amount | 5,485 |  |  |
Accumulated Depreciation | 30 |  |  |
Core Portfolio [Member] | State and Washington [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 25,485 |  |  |
Initial Cost to Company of Land | 3,907 |  |  |
Initial Cost to Company of Buildings and Improvements | 70,943 |  |  |
Carrying Amount of Land | 3,907 |  |  |
Carrying Amount of Buildings and Improvements | 70,943 |  |  |
Total Carrying Amount | 74,850 |  |  |
Accumulated Depreciation | 591 |  |  |
Core Portfolio [Member] | 151 North State Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 14,464 |  |  |
Initial Cost to Company of Land | 1,941 |  |  |
Initial Cost to Company of Buildings and Improvements | 25,529 |  |  |
Carrying Amount of Land | 1,941 |  |  |
Carrying Amount of Buildings and Improvements | 25,529 |  |  |
Total Carrying Amount | 27,470 |  |  |
Accumulated Depreciation | 266 |  |  |
Core Portfolio [Member] | North & Kingsbury [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 13,292 |  |  |
Initial Cost to Company of Land | 18,731 |  |  |
Initial Cost to Company of Buildings and Improvements | 16,292 |  |  |
Carrying Amount of Land | 18,731 |  |  |
Carrying Amount of Buildings and Improvements | 16,292 |  |  |
Total Carrying Amount | 35,023 |  |  |
Accumulated Depreciation | 141 |  |  |
Core Portfolio [Member] | Sullivan Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 13,433 |  |  |
Initial Cost to Company of Buildings and Improvements | 137,327 |  |  |
Costs Capitalized Subsequent to Acquisition | 10 |  |  |
Carrying Amount of Land | 13,443 |  |  |
Carrying Amount of Buildings and Improvements | 137,327 |  |  |
Total Carrying Amount | 150,770 |  |  |
Accumulated Depreciation | 1,145 |  |  |
Core Portfolio [Member] | California and Armitage [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 2,675 |  |  |
Initial Cost to Company of Land | 6,770 |  |  |
Initial Cost to Company of Buildings and Improvements | 2,292 |  |  |
Carrying Amount of Land | 6,770 |  |  |
Carrying Amount of Buildings and Improvements | 2,292 |  |  |
Total Carrying Amount | 9,062 |  |  |
Accumulated Depreciation | 21 |  |  |
Core Portfolio [Member] | 555 9th Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 60,000 |  |  |
Initial Cost to Company of Land | 75,591 |  |  |
Initial Cost to Company of Buildings and Improvements | 73,268 |  |  |
Carrying Amount of Land | 75,591 |  |  |
Carrying Amount of Buildings and Improvements | 73,268 |  |  |
Total Carrying Amount | 148,859 |  |  |
Accumulated Depreciation | 308 |  |  |
Core Portfolio [Member] | Undeveloped Land [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 100 |  |  |
Initial Cost to Company of Buildings and Improvements | 0 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 100 |  |  |
Carrying Amount of Buildings and Improvements | 0 |  |  |
Total Carrying Amount | 100 |  |  |
Accumulated Depreciation | 0 |  |  |
Fund II [Member] | 161st Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 46,500 |  |  |
Initial Cost to Company of Land | 16,679 |  |  |
Initial Cost to Company of Buildings and Improvements | 28,410 |  |  |
Costs Capitalized Subsequent to Acquisition | 28,272 |  |  |
Carrying Amount of Land | 16,679 |  |  |
Carrying Amount of Buildings and Improvements | 56,682 |  |  |
Total Carrying Amount | 73,361 |  |  |
Accumulated Depreciation | 13,067 |  |  |
Fund II [Member] | City Point [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 326,042 |  |  |
Initial Cost to Company of Land | 0 |  |  |
Initial Cost to Company of Buildings and Improvements | 0 |  |  |
Costs Capitalized Subsequent to Acquisition | 207,561 |  |  |
Carrying Amount of Land | 0 |  |  |
Carrying Amount of Buildings and Improvements | 207,561 |  |  |
Total Carrying Amount | 207,561 |  |  |
Accumulated Depreciation | 1,848 |  |  |
Fund III [Member] | 654 Broadway [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 8,615 |  |  |
Initial Cost to Company of Land | 9,040 |  |  |
Initial Cost to Company of Buildings and Improvements | 3,654 |  |  |
Costs Capitalized Subsequent to Acquisition | 2,869 |  |  |
Carrying Amount of Land | 9,040 |  |  |
Carrying Amount of Buildings and Improvements | 6,523 |  |  |
Total Carrying Amount | 15,563 |  |  |
Accumulated Depreciation | 656 |  |  |
Fund III [Member] | New Hyde Park Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 10,760 |  |  |
Initial Cost to Company of Land | 3,016 |  |  |
Initial Cost to Company of Buildings and Improvements | 7,733 |  |  |
Costs Capitalized Subsequent to Acquisition | 4,151 |  |  |
Carrying Amount of Land | 3,016 |  |  |
Carrying Amount of Buildings and Improvements | 11,884 |  |  |
Total Carrying Amount | 14,900 |  |  |
Accumulated Depreciation | 2,225 |  |  |
Fund III [Member] | 640 Broadway [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 48,470 |  |  |
Initial Cost to Company of Land | 12,503 |  |  |
Initial Cost to Company of Buildings and Improvements | 19,960 |  |  |
Costs Capitalized Subsequent to Acquisition | 10,953 |  |  |
Carrying Amount of Land | 12,503 |  |  |
Carrying Amount of Buildings and Improvements | 30,913 |  |  |
Total Carrying Amount | 43,416 |  |  |
Accumulated Depreciation | 3,799 |  |  |
Fund III [Member] | 3780 to 3858 Nortrand Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 11,137 |  |  |
Initial Cost to Company of Land | 6,229 |  |  |
Initial Cost to Company of Buildings and Improvements | 11,216 |  |  |
Costs Capitalized Subsequent to Acquisition | 5,612 |  |  |
Carrying Amount of Land | 6,229 |  |  |
Carrying Amount of Buildings and Improvements | 16,828 |  |  |
Total Carrying Amount | 23,057 |  |  |
Accumulated Depreciation | 1,463 |  |  |
Fund IV [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Unamortized loans costs | (16,642) |  |  |
Unamortized premium | 1,336 |  |  |
Fund IV [Member] | Paramus Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 14,099 |  |  |
Initial Cost to Company of Land | 11,052 |  |  |
Initial Cost to Company of Buildings and Improvements | 7,037 |  |  |
Costs Capitalized Subsequent to Acquisition | 8,280 |  |  |
Carrying Amount of Land | 11,052 |  |  |
Carrying Amount of Buildings and Improvements | 15,317 |  |  |
Total Carrying Amount | 26,369 |  |  |
Accumulated Depreciation | 962 |  |  |
Fund IV [Member] | 1151 Third Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 12,481 |  |  |
Initial Cost to Company of Land | 8,306 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,685 |  |  |
Costs Capitalized Subsequent to Acquisition | 1,412 |  |  |
Carrying Amount of Land | 8,306 |  |  |
Carrying Amount of Buildings and Improvements | 11,097 |  |  |
Total Carrying Amount | 19,403 |  |  |
Accumulated Depreciation | 990 |  |  |
Fund IV [Member] | Lake Montclair [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 14,509 |  |  |
Initial Cost to Company of Land | 7,077 |  |  |
Initial Cost to Company of Buildings and Improvements | 12,028 |  |  |
Costs Capitalized Subsequent to Acquisition | 439 |  |  |
Carrying Amount of Land | 7,077 |  |  |
Carrying Amount of Buildings and Improvements | 12,467 |  |  |
Total Carrying Amount | 19,544 |  |  |
Accumulated Depreciation | 1,103 |  |  |
Fund IV [Member] | 938 West North Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 12,500 |  |  |
Initial Cost to Company of Land | 2,314 |  |  |
Initial Cost to Company of Buildings and Improvements | 17,067 |  |  |
Costs Capitalized Subsequent to Acquisition | 176 |  |  |
Carrying Amount of Land | 2,314 |  |  |
Carrying Amount of Buildings and Improvements | 17,243 |  |  |
Total Carrying Amount | 19,557 |  |  |
Accumulated Depreciation | 1,310 |  |  |
Fund IV [Member] | 17 E. 71st Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 19,000 |  |  |
Initial Cost to Company of Land | 7,391 |  |  |
Initial Cost to Company of Buildings and Improvements | 20,176 |  |  |
Costs Capitalized Subsequent to Acquisition | 263 |  |  |
Carrying Amount of Land | 7,391 |  |  |
Carrying Amount of Buildings and Improvements | 20,439 |  |  |
Total Carrying Amount | 27,830 |  |  |
Accumulated Depreciation | 1,149 |  |  |
Fund IV [Member] | 1035 Third Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 41,826 |  |  |
Initial Cost to Company of Land | 14,099 |  |  |
Initial Cost to Company of Buildings and Improvements | 39,928 |  |  |
Costs Capitalized Subsequent to Acquisition | 671 |  |  |
Carrying Amount of Land | 14,099 |  |  |
Carrying Amount of Buildings and Improvements | 40,599 |  |  |
Total Carrying Amount | 54,698 |  |  |
Accumulated Depreciation | 1,858 |  |  |
Fund IV [Member] | 801 Madison Avenue [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 4,178 |  |  |
Initial Cost to Company of Buildings and Improvements | 28,470 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 4,178 |  |  |
Carrying Amount of Buildings and Improvements | 28,470 |  |  |
Total Carrying Amount | 32,648 |  |  |
Accumulated Depreciation | 890 |  |  |
Fund IV [Member] | 2208-2216 Filmore Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 5,606 |  |  |
Initial Cost to Company of Land | 3,027 |  |  |
Initial Cost to Company of Buildings and Improvements | 6,376 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 3,027 |  |  |
Carrying Amount of Buildings and Improvements | 6,376 |  |  |
Total Carrying Amount | 9,403 |  |  |
Accumulated Depreciation | 186 |  |  |
Fund IV [Member] | 146 Geary Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 27,700 |  |  |
Initial Cost to Company of Land | 9,500 |  |  |
Initial Cost to Company of Buildings and Improvements | 28,500 |  |  |
Costs Capitalized Subsequent to Acquisition | 7 |  |  |
Carrying Amount of Land | 9,500 |  |  |
Carrying Amount of Buildings and Improvements | 28,507 |  |  |
Total Carrying Amount | 38,007 |  |  |
Accumulated Depreciation | 831 |  |  |
Fund IV [Member] | 2207 Fillmore Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 1,120 |  |  |
Initial Cost to Company of Land | 1,498 |  |  |
Initial Cost to Company of Buildings and Improvements | 1,735 |  |  |
Costs Capitalized Subsequent to Acquisition | 108 |  |  |
Carrying Amount of Land | 1,498 |  |  |
Carrying Amount of Buildings and Improvements | 1,843 |  |  |
Total Carrying Amount | 3,341 |  |  |
Accumulated Depreciation | 48 |  |  |
Fund IV [Member] | 1861 Union Street [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 2,315 |  |  |
Initial Cost to Company of Land | 2,188 |  |  |
Initial Cost to Company of Buildings and Improvements | 1,293 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 2,188 |  |  |
Carrying Amount of Buildings and Improvements | 1,293 |  |  |
Total Carrying Amount | 3,481 |  |  |
Accumulated Depreciation | 35 |  |  |
Fund IV [Member] | Restaurant at Fort Point [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 6,500 |  |  |
Initial Cost to Company of Land | 1,041 |  |  |
Initial Cost to Company of Buildings and Improvements | 10,905 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 1,041 |  |  |
Carrying Amount of Buildings and Improvements | 10,905 |  |  |
Total Carrying Amount | 11,946 |  |  |
Accumulated Depreciation | 273 |  |  |
Fund IV [Member] | Wake Forest Crossing [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 7,570 |  |  |
Initial Cost to Company of Buildings and Improvements | 24,829 |  |  |
Costs Capitalized Subsequent to Acquisition | 1 |  |  |
Carrying Amount of Land | 7,570 |  |  |
Carrying Amount of Buildings and Improvements | 24,830 |  |  |
Total Carrying Amount | 32,400 |  |  |
Accumulated Depreciation | 197 |  |  |
Fund IV [Member] | Airport Mall [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 2,294 |  |  |
Initial Cost to Company of Buildings and Improvements | 7,067 |  |  |
Costs Capitalized Subsequent to Acquisition | 11 |  |  |
Carrying Amount of Land | 2,294 |  |  |
Carrying Amount of Buildings and Improvements | 7,078 |  |  |
Total Carrying Amount | 9,372 |  |  |
Accumulated Depreciation | 40 |  |  |
Fund IV [Member] | Colonie Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 2,852 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,619 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 2,852 |  |  |
Carrying Amount of Buildings and Improvements | 9,619 |  |  |
Total Carrying Amount | 12,471 |  |  |
Accumulated Depreciation | 48 |  |  |
Fund IV [Member] | Dauphin Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 5,290 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,464 |  |  |
Costs Capitalized Subsequent to Acquisition | 4 |  |  |
Carrying Amount of Land | 5,290 |  |  |
Carrying Amount of Buildings and Improvements | 9,468 |  |  |
Total Carrying Amount | 14,758 |  |  |
Accumulated Depreciation | 50 |  |  |
Fund IV [Member] | JFK Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 751 |  |  |
Initial Cost to Company of Buildings and Improvements | 5,991 |  |  |
Costs Capitalized Subsequent to Acquisition | 2 |  |  |
Carrying Amount of Land | 751 |  |  |
Carrying Amount of Buildings and Improvements | 5,993 |  |  |
Total Carrying Amount | 6,744 |  |  |
Accumulated Depreciation | 32 |  |  |
Fund IV [Member] | Mayfair Shopping Center [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 6,178 |  |  |
Initial Cost to Company of Buildings and Improvements | 9,266 |  |  |
Costs Capitalized Subsequent to Acquisition | 2 |  |  |
Carrying Amount of Land | 6,178 |  |  |
Carrying Amount of Buildings and Improvements | 9,268 |  |  |
Total Carrying Amount | 15,446 |  |  |
Accumulated Depreciation | 42 |  |  |
Fund IV [Member] | Shaw's Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 828 |  |  |
Initial Cost to Company of Buildings and Improvements | 11,814 |  |  |
Costs Capitalized Subsequent to Acquisition | 1 |  |  |
Carrying Amount of Land | 828 |  |  |
Carrying Amount of Buildings and Improvements | 11,815 |  |  |
Total Carrying Amount | 12,643 |  |  |
Accumulated Depreciation | 55 |  |  |
Fund IV [Member] | Wells Plaza [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 0 |  |  |
Initial Cost to Company of Land | 1,892 |  |  |
Initial Cost to Company of Buildings and Improvements | 2,585 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 1,892 |  |  |
Carrying Amount of Buildings and Improvements | 2,585 |  |  |
Total Carrying Amount | 4,477 |  |  |
Accumulated Depreciation | 18 |  |  |
Fund IV [Member] | 717 N Michigan [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 63,900 |  |  |
Initial Cost to Company of Land | 72,174 |  |  |
Initial Cost to Company of Buildings and Improvements | 34,606 |  |  |
Costs Capitalized Subsequent to Acquisition | 0 |  |  |
Carrying Amount of Land | 72,174 |  |  |
Carrying Amount of Buildings and Improvements | 34,606 |  |  |
Total Carrying Amount | 106,780 |  |  |
Accumulated Depreciation | 72 |  |  |
Fund IV [Member] | Real Estate Under Development [Member] |  |  |  |
Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 55,327 |  |  |
Initial Cost to Company of Land | 105,442 |  |  |
Initial Cost to Company of Buildings and Improvements | 61,172 |  |  |
Costs Capitalized Subsequent to Acquisition | 376,872 |  |  |
Carrying Amount of Land | 58,403 |  |  |
Carrying Amount of Buildings and Improvements | 485,083 |  |  |
Total Carrying Amount | 543,486 |  |  |
Accumulated Depreciation | $ 0 |  |  |

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