Investments in Real Estate Debt - Schedule of Credit Rating of Investments in Real Estate Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 5,211,638	$ 5,521,236
Fair Value	$ 5,067,463	$ 5,279,928
Percentage Based on Fair Value	100.00%	100.00%
A
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 818	$ 28,200
Fair Value	$ 747	$ 27,735
Percentage Based on Fair Value	0.00%	1.00%
BBB
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 822,445	$ 807,228
Fair Value	$ 813,758	$ 799,005
Percentage Based on Fair Value	16.00%	15.00%
BB
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 728,484	$ 797,219
Fair Value	$ 706,247	$ 759,361
Percentage Based on Fair Value	14.00%	14.00%
B
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 546,270	$ 576,629
Fair Value	$ 513,266	$ 523,784
Percentage Based on Fair Value	10.00%	9.00%
CCC and below
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 132,271	$ 143,548
Fair Value	$ 42,253	$ 38,704
Percentage Based on Fair Value	1.00%	1.00%
Private commercial real estate loans
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 892,832	$ 1,044,460
Fair Value	$ 905,733	$ 1,032,821
Percentage Based on Fair Value	18.00%	20.00%
Not Rated
Debt and Equity Securities, FV-NI [Line Items]
Cost Basis	$ 2,088,518	$ 2,123,952
Fair Value	$ 2,085,459	$ 2,098,518
Percentage Based on Fair Value	41.00%	40.00%
Weighted average LTV at origination	54.00%
Not Rated | Industrial properties
Debt and Equity Securities, FV-NI [Line Items]
Weighted average LTV at origination	57.00%
Not Rated | Rental Housing Properties:
Debt and Equity Securities, FV-NI [Line Items]
Weighted average LTV at origination	42.00%