Annual report [Section 13 and 15(d), not S-K Item 405]

INVESTMENTS IN RENTAL PROPERTIES - Schedule of Disposed Developable Land (Details)

v3.25.4
INVESTMENTS IN RENTAL PROPERTIES - Schedule of Disposed Developable Land (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds $ 162,728 $ 88,770 $ 75,118
Net Carrying Value 129,498 77,255 30,468
Gain (loss) on disposition of developable land     7,068
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net 34,040 11,515 39,271
65 Livingston      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds 7,139    
Net Carrying Value 7,295    
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net (156)    
Impairment charges 2,600    
Wall Land      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds 30,152    
Net Carrying Value 4,116    
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net 26,036    
1 Water Street      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds 15,563    
Net Carrying Value 5,033    
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net 10,530    
PI South - Building 2      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds 36,520    
Net Carrying Value 37,638    
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net (1,118)    
Impairment charges 3,200    
Harborside 8/9      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds 73,354    
Net Carrying Value 75,416    
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net (2,062)    
2 Campus      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds   10,155  
Net Carrying Value   9,371  
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   784  
107 Morgan      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds   50,630  
Net Carrying Value   50,929  
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   (299)  
Impairment charges   10,500  
6 Becker Farm / 85 Livingston      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds   27,985  
Net Carrying Value   16,955  
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net   $ 11,030  
Columbia-Honeywell      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds     8,214
Net Carrying Value     8,236
Gain (loss) on disposition of developable land     (22)
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net     0
Deposits received     1,100
3 Campus      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds     13,248
Net Carrying Value     7,847
Gain (loss) on disposition of developable land     5,401
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net     0
Harborside 4      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net Sales Proceeds     53,656
Net Carrying Value     14,385
Gain (loss) on disposition of developable land     0
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net     39,271
Impairment charges 12,500    
Deposits received 5,000    
Others      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (loss) on disposition of developable land     1,689
Discontinued Operations Realized gains (losses) and unrealized gains (losses) on disposition of rental property and impairments, net $ 810   $ 0