FAIR VALUE MEASUREMENTS - Estimated Fair Values for All Financial Assets and Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial liabilities
Other secured financing	$ 250,000	$ 250,000	[1]
Carrying Value | Level 2
Financial liabilities
Repurchase agreements	60,993,018	59,512,597
Other secured financing	250,000	250,000
Fair Value | Level 2
Financial liabilities
Repurchase agreements	60,993,018	59,512,597
Other secured financing	$ 250,000	$ 250,000

[1] (1)Derived from the audited consolidated financial statements at December 31, 2022.