v3.25.2
Loans Payable - Schedule of outstanding loans payable (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Total Principal Outstanding $ 985.4 $ 1,634.3
Fair value adjustment (52.1) (48.8)
Total Loans Payable $ 933.3 1,585.5
1401 H Street NW    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 7.00%  
Principal amounts outstanding $ 0.0 115.0
Maturity Feb. 05, 2025  
Circa Green Lake    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.71%  
Principal amounts outstanding $ 0.0 52.0
Maturity Mar. 05, 2025  
Union - South Lake Union    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.66%  
Principal amounts outstanding $ 0.0 57.0
Maturity Mar. 05, 2025  
Holly Street Village    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.65%  
Principal amounts outstanding $ 0.0 81.0
Maturity May 01, 2025  
Henley at Kingstowne    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.60%  
Principal amounts outstanding $ 0.0 64.8
Maturity May 01, 2025  
32 South State Street    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 4.48%  
Principal amounts outstanding $ 24.0 24.0
Maturity Jun. 06, 2025  
One Biscayne    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 2.45%  
Principal amounts outstanding $ 100.0 100.0
Maturity Jul. 09, 2025  
Reserve at Chino Hills    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 1.61%  
Principal amounts outstanding $ 82.2 82.2
Maturity Aug. 09, 2025  
Project Sonic    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 2.00%  
Principal amounts outstanding $ 94.0 94.0
Maturity Sep. 09, 2025  
Vista Station Office Portfolio    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 4.20%  
Principal amounts outstanding $ 39.2 39.8
Maturity Nov. 01, 2025  
Spring House Innovation Park    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 1.36%  
Principal amounts outstanding $ 71.2 71.2
Maturity Jul. 09, 2026  
Marketplace at Mill Creek    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Annual interest rate, basis spread on variable rate 3.82%  
Principal amounts outstanding $ 39.6 39.6
Maturity Sep. 11, 2027  
Overlook At King Of Prussia    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.82%  
Principal amounts outstanding $ 40.8 40.8
Maturity Sep. 11, 2027  
Winslow Bay    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.82%  
Principal amounts outstanding $ 25.8 25.8
Maturity Sep. 11, 2027  
Liberty Park    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 1.80%  
Principal amounts outstanding $ 59.8 59.8
Maturity Dec. 09, 2027  
1900 K Street, NW    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 3.93%  
Principal amounts outstanding $ 153.5 155.0
Maturity Apr. 01, 2028  
Ashford Meadows    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 5.76%  
Principal amounts outstanding $ 64.6 64.6
Maturity Oct. 01, 2028  
803 Corday    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 5.76%  
Principal amounts outstanding $ 62.2 62.2
Maturity Oct. 01, 2028  
Churchill on the Park    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 5.76%  
Principal amounts outstanding $ 40.5 40.5
Maturity Oct. 01, 2028  
Carrington Park    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 5.76%  
Principal amounts outstanding $ 43.8 43.8
Maturity Oct. 01, 2028  
Five Oak    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 1.47%  
Principal amounts outstanding $ 44.2 44.2
Maturity Aug. 09, 2029  
99 High Street    
Loans Payable - Schedule of outstanding mortgage loans payable secured by properties [Line Items]    
Interest Rate 7.90%  
Principal amounts outstanding $ 0.0 $ 277.0
Maturity Mar. 01, 2030