SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE - Schedule of Changes in the Carrying Amount of Mortgage Loans on Real Estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of year	$ 16,089,510	$ 12,696,220	$ 11,370,323
Additions during year:
Originations/acquisitions	16,741,478	8,835,301	3,639,782
VIE Consolidations	805,008	298,553	0
Deductions during year:
Sales	(6,140,953)	(2,903,954)	(827,337)
Principal repayments	(4,927,972)	(2,895,188)	(1,601,190)
Transfers to REO	(141,202)	(22,554)	(100,280)
Deconsolidation adjustments	(1,239,652)	0	0
Changes in fair value, net	366,208	81,132	214,922
Balance at end of year	$ 21,552,425	$ 16,089,510	$ 12,696,220