Consolidated Securitization Vehicles (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025 USD ($) loan	Dec. 31, 2024 USD ($) loan
Transfers and Servicing [Abstract]
Real estate loans held by consolidated securitization vehicles, count | loan	199	199
Senior obligations of consolidated securitization vehicles, count | loan	19	19
Real estate loans held by consolidated securitization vehicles in excess of senior obligations of consolidated securitization vehicles, count | loan	19	19
Real estate loans held by consolidated securitization vehicles, at principal value	$ 12,851,228	$ 13,286,605
Senior obligations of consolidated securitization vehicles, at principal value	11,441,465	11,838,154
Real estate loans held by consolidated securitization vehicles in excess of senior obligations of consolidated securitization vehicles, at principal value	1,409,763	1,448,451
Real estate loans held by consolidated securitization vehicles, at fair value	13,203,864	13,616,526
Senior obligations of consolidated securitization vehicles, at fair value	11,853,523	12,233,141
Real estate loans held by consolidated securitization vehicles in excess of senior obligations of consolidated securitization vehicles, at fair value	$ 1,350,341	$ 1,383,385
Real estate loans held by consolidated securitization vehicles, weighted average yield	5.90%	6.10%
Senior obligations of consolidated securitization vehicles, weighted average cost	5.70%	5.90%
Real estate loans held by consolidated securitization vehicles in excess of senior obligations of consolidated securitization vehicles, weighted average yield and cost	7.40%	7.60%