Annual report pursuant to Section 13 and 15(d)

INVESTMENTS IN RENTAL PROPERTY - Schedule of Disposed Properties (Details)

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INVESTMENTS IN RENTAL PROPERTY - Schedule of Disposed Properties (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
ft²
building
Dec. 31, 2023
USD ($)
ft²
building
Dec. 31, 2022
USD ($)
ft²
building
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Return of escrow not originally expected amount $ 1,900    
Gain (loss) from extinguishment of debt, net $ (777) $ (5,606) $ (129)
111 River Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Loss from extinguishment of debt     150,000
Gain (loss) from extinguishment of debt, net     6,300
101 Hudson Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Loss from extinguishment of debt     250,000
Gain (loss) from extinguishment of debt, net     $ 1,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building 1 7 2
Area of property (in square feet) | ft² 977,225 2,468,656,000 1,812,498,000
Net Sales Proceeds $ 81,515 $ 515,833 $ 550,846
Net Carrying Value $ 81,228 $ 511,976 $ 476,630
Disposal Group, Disposed of by Sale, Not Discontinued Operations | XS Hotels      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building   2  
Area of property (in square feet) | ft²   0  
Net Sales Proceeds   $ 93,358  
Net Carrying Value   92,578  
Loss from extinguishment of debt   $ 84,000  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Harborside 1, 2 and 3      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building   3  
Area of property (in square feet) | ft²   1,886,800,000  
Net Sales Proceeds   $ 362,446  
Net Carrying Value   $ 362,304  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Harborside 5      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building 1    
Area of property (in square feet) | ft² 977,225    
Net Sales Proceeds $ 81,515    
Net Carrying Value 81,228    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Harborside 6      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building   1  
Area of property (in square feet) | ft²   231,856,000  
Net Sales Proceeds   $ 44,145  
Net Carrying Value   $ 43,722  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | 23 Main Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building   1  
Area of property (in square feet) | ft²   350,000,000  
Net Sales Proceeds   $ 15,884  
Net Carrying Value   13,372  
Deposits received   1,300  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | 111 River Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building     1
Area of property (in square feet) | ft²     566,215,000
Net Sales Proceeds     $ 208,268
Net Carrying Value     $ 206,432
Disposal Group, Disposed of by Sale, Not Discontinued Operations | 101 Hudson Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of buildings on properties sold | building     1
Area of property (in square feet) | ft²     1,246,283,000
Net Sales Proceeds     $ 342,578
Net Carrying Value     270,198
Disposed of by Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net 3,447 2,411 61,676
Disposed of by Sale | XS Hotels      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   780  
Disposed of by Sale | Harborside 1, 2 and 3      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   142  
Disposed of by Sale | Harborside 5      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net 287    
Disposed of by Sale | Harborside 6      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   423  
Disposed of by Sale | 23 Main Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   2,512  
Disposed of by Sale | Other Properties      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net $ 3,160 2,184  
Disposed of by Sale | Unrealized gains (losses) on real estate held for sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   $ (3,630) (12,540)
Disposed of by Sale | 111 River Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net     1,836
Disposed of by Sale | 101 Hudson Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net     $ 72,380