FAIR VALUE MEASUREMENTS - Estimated Fair Values for All Financial Assets and Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financial liabilities
Other secured financing	$ 900,000	$ 750,000	[1]
Carrying Value | Level 2
Financial liabilities
Repurchase agreements	61,659,460	65,688,923
Other secured financing	900,000	750,000
Fair Value | Level 2
Financial liabilities
Repurchase agreements	61,659,460	65,688,923
Other secured financing	$ 900,000	$ 750,000

[1] (1)Derived from the audited consolidated financial statements at December 31, 2024.