Investments in Unconsolidated Joint Ventures - Additional Information (Details) $ in Thousands |
1 Months Ended |
3 Months Ended |
12 Months Ended |
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Feb. 22, 2018 |
Nov. 30, 2017 |
Oct. 31, 2017 |
May 31, 2017
USD ($)
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Oct. 31, 2016
ft²
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Aug. 31, 2016
ft²
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Dec. 31, 2017
USD ($)
ft²
unit
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Dec. 31, 2017
USD ($)
ft²
unit
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Sep. 30, 2017
USD ($)
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Jan. 31, 2017
partner
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Dec. 31, 2016
USD ($)
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General information on each joint venture |
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Net equity investment in VIEs |
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$ 606,200
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$ 606,200
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$ 220,100
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Approximate Square Feet (sqft) | ft² |
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33,253,213
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33,253,213
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11 Madison Avenue |
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General information on each joint venture |
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Approximate Square Feet (sqft) | ft² |
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2,314,000
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Ownership percentage in disposed asset |
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40.00%
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400 East 57th Street |
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General information on each joint venture |
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Approximate Square Feet (sqft) | ft² |
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290,482
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Ownership percentage in disposed asset |
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49.00%
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100 Park Avenue |
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General information on each joint venture |
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Ownership Interest |
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49.90%
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49.90%
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Economic Interest, percent |
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49.90%
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49.90%
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Approximate Square Feet (sqft) | ft² |
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834,000
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834,000
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Acquisition Price |
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$ 95,800
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$ 95,800
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717 Fifth Avenue |
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General information on each joint venture |
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Ownership Interest |
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10.92%
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10.92%
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Approximate Square Feet (sqft) | ft² |
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119,500
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119,500
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Acquisition Price |
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$ 251,900
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$ 251,900
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800 Third Avenue |
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General information on each joint venture |
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Ownership Interest |
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60.52%
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60.52%
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Economic Interest, percent |
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60.52%
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60.52%
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Approximate Square Feet (sqft) | ft² |
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526,000
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526,000
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Acquisition Price |
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$ 285,000
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$ 285,000
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1745 Broadway |
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General information on each joint venture |
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Ownership Interest |
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56.87%
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56.87%
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Economic Interest, percent |
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56.87%
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56.87%
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Approximate Square Feet (sqft) | ft² |
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674,000
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674,000
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Acquisition Price |
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$ 520,000
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$ 520,000
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Jericho Plaza |
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General information on each joint venture |
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Ownership Interest |
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11.67%
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11.67%
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Economic Interest, percent |
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11.67%
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11.67%
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Approximate Square Feet (sqft) | ft² |
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640,000
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640,000
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Acquisition Price |
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$ 210,000
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$ 210,000
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Investment in joint venture, investment expense |
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$ 6,600
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11 West 34th Street |
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General information on each joint venture |
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Ownership Interest |
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30.00%
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30.00%
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Economic Interest, percent |
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30.00%
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30.00%
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Approximate Square Feet (sqft) | ft² |
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17,150
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17,150
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Acquisition Price |
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$ 10,800
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$ 10,800
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3 Columbus Circle |
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General information on each joint venture |
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Ownership Interest |
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48.90%
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48.90%
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Economic Interest, percent |
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48.90%
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48.90%
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Approximate Square Feet (sqft) | ft² |
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741,500
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741,500
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Acquisition Price |
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$ 500,000
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$ 500,000
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280 Park Avenue |
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General information on each joint venture |
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Ownership Interest |
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50.00%
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50.00%
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Economic Interest, percent |
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50.00%
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50.00%
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Approximate Square Feet (sqft) | ft² |
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1,219,158
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1,219,158
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Acquisition Price |
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$ 400,000
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$ 400,000
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1552-1560 Broadway |
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General information on each joint venture |
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Ownership Interest |
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50.00%
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50.00%
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Economic Interest, percent |
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50.00%
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50.00%
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Approximate Square Feet (sqft) | ft² |
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57,718
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57,718
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Acquisition Price |
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$ 136,550
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$ 136,550
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724 Fifth Avenue |
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General information on each joint venture |
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Ownership Interest |
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50.00%
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50.00%
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Economic Interest, percent |
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50.00%
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50.00%
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Approximate Square Feet (sqft) | ft² |
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65,010
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65,010
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Acquisition Price |
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$ 223,000
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$ 223,000
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10 East 53rd Street |
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General information on each joint venture |
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Ownership Interest |
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55.00%
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55.00%
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Economic Interest, percent |
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55.00%
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55.00%
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Approximate Square Feet (sqft) | ft² |
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354,300
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354,300
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Acquisition Price |
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$ 252,500
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$ 252,500
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521 Fifth Avenue |
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General information on each joint venture |
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Ownership Interest |
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50.50%
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50.50%
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Economic Interest, percent |
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50.50%
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50.50%
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Approximate Square Feet (sqft) | ft² |
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460,000
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460,000
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Acquisition Price |
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$ 315,000
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$ 315,000
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21 East 66th Street |
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General information on each joint venture |
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Ownership Interest |
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32.28%
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32.28%
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Economic Interest, percent |
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32.28%
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32.28%
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Approximate Square Feet (sqft) | ft² |
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13,069
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13,069
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Acquisition Price |
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$ 75,000
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$ 75,000
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21 East 66th Street | Three Retail and Two Residential Units |
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General information on each joint venture |
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Ownership Interest |
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32.28%
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32.28%
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Number of Stores | unit |
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3
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3
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Number of residential units | unit |
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2
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2
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21 East 66th Street | Three Residential Units |
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General information on each joint venture |
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Ownership Interest |
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16.14%
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16.14%
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Number of residential units | unit |
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3
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3
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650 Fifth Avenue |
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General information on each joint venture |
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Ownership Interest |
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50.00%
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50.00%
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Approximate Square Feet (sqft) | ft² |
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69,214
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69,214
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Acquisition Price |
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$ 0
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$ 0
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121 Greene Street |
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General information on each joint venture |
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Ownership Interest |
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50.00%
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50.00%
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Economic Interest, percent |
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50.00%
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50.00%
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Approximate Square Feet (sqft) | ft² |
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7,131
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7,131
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Acquisition Price |
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$ 27,400
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$ 27,400
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175-225 Third Street Brooklyn, New York |
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General information on each joint venture |
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Ownership Interest |
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95.00%
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95.00%
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Economic Interest, percent |
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95.00%
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95.00%
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Approximate Square Feet (sqft) | ft² |
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0
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0
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Acquisition Price |
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$ 74,600
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$ 74,600
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55 West 46th Street |
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General information on each joint venture |
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Ownership Interest |
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25.00%
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25.00%
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Economic Interest, percent |
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25.00%
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25.00%
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Approximate Square Feet (sqft) | ft² |
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347,000
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347,000
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Acquisition Price |
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$ 295,000
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$ 295,000
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Stonehenge Portfolio |
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General information on each joint venture |
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Ownership Interest |
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90.00%
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Approximate Square Feet (sqft) | ft² |
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1,439,016
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1,439,016
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Acquisition Price |
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$ 36,668
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$ 36,668
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131-137 Spring Street |
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General information on each joint venture |
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Ownership Interest |
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20.00%
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20.00%
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Economic Interest, percent |
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20.00%
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20.00%
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Approximate Square Feet (sqft) | ft² |
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68,342
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68,342
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Acquisition Price |
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$ 277,750
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$ 277,750
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605 West 42nd Street |
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General information on each joint venture |
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Ownership Interest |
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20.00%
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20.00%
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Economic Interest, percent |
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20.00%
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20.00%
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Approximate Square Feet (sqft) | ft² |
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927,358
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927,358
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Acquisition Price |
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$ 759,000
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$ 759,000
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11 Madison Avenue |
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General information on each joint venture |
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Ownership Interest |
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60.00%
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60.00%
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Economic Interest, percent |
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60.00%
|
60.00%
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Approximate Square Feet (sqft) | ft² |
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2,314,000
|
2,314,000
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Acquisition Price |
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$ 2,605,000
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$ 2,605,000
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333 East 22nd St |
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General information on each joint venture |
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Ownership Interest |
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33.33%
|
33.33%
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Economic Interest, percent |
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33.33%
|
33.33%
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Approximate Square Feet (sqft) | ft² |
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26,926
|
26,926
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Acquisition Price |
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$ 0
|
$ 0
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400 East 57th Street |
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General information on each joint venture |
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Ownership Interest |
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51.00%
|
51.00%
|
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Economic Interest, percent |
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41.00%
|
41.00%
|
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Approximate Square Feet (sqft) | ft² |
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290,482
|
290,482
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Acquisition Price |
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$ 170,000
|
$ 170,000
|
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One Vanderbilt |
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General information on each joint venture |
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Ownership Interest |
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71.01%
|
71.01%
|
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|
Economic Interest, percent |
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71.01%
|
71.01%
|
|
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|
Approximate Square Feet (sqft) | ft² |
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|
0
|
0
|
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Acquisition Price |
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$ 3,310,000
|
$ 3,310,000
|
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Number of joint venture partners | partner |
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2
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Investment in joint venture, aggregate equity committed by partner |
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$ 525,000
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Investment in joint venture, aggregate maximum ownership percentage |
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29.00%
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Investment in joint venture, partners' ownership percentage |
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3.48%
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Worldwide Plaza |
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General information on each joint venture |
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Ownership Interest |
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24.35%
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24.35%
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Economic Interest, percent |
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24.35%
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24.35%
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Approximate Square Feet (sqft) | ft² |
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2,048,725
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2,048,725
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Acquisition Price |
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$ 1,725,000
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$ 1,725,000
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1515 Broadway |
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General information on each joint venture |
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Ownership Interest |
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69.87%
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69.87%
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Economic Interest, percent |
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69.87%
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69.87%
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Approximate Square Feet (sqft) | ft² |
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1,750,000
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1,750,000
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Acquisition Price |
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$ 1,950,000
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$ 1,950,000
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Equity method investments, depreciation |
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$ 900
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1552 Broadway |
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General information on each joint venture |
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Approximate Square Feet (sqft) | ft² |
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13,045
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13,045
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Joint venture | Stonehenge Portfolio |
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General information on each joint venture |
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Ownership Interest |
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10.00%
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Mezzanine Loan Contributed To Joint Venture In May 2017 |
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General information on each joint venture |
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Ownership Interest |
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33.33%
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33.33%
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33.33%
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Economic Interest, percent |
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33.33%
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33.33%
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Approximate Square Feet (sqft) | ft² |
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0
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0
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Acquisition Price |
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$ 15,000
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$ 15,000
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Equity method investment, amount sold |
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$ 10,000
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RXR Realty | Joint venture | Worldwide Plaza |
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General information on each joint venture |
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Ownership Interest |
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50.00%
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Ownership interest acquired (percent) |
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48.70%
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New York REIT | Worldwide Plaza |
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General information on each joint venture |
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Ownership Interest |
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51.30%
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Allianz Real Estate | 1515 Broadway |
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General information on each joint venture |
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Ownership percentage in disposed asset |
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30.13%
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Subsequent Event | Allianz Real Estate | 1515 Broadway |
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General information on each joint venture |
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Ownership percentage in disposed asset |
12.87%
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