DERIVATIVE INSTRUMENTS - Summary of Fair Value Information about Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Assets
Total derivative assets	$ 47,899	$ 225,351	[1]
Liabilities
Interest rate swaps	25,350	7,212
Total derivative liabilities	199,100	59,586	[1]
Futures contracts
Assets
Other derivative assets	10,232	190,980
Total derivative assets	10,232	190,980
Liabilities
Other derivative liabilities	157,255	16,650
Total derivative liabilities	157,255	16,650
Purchase commitments
Assets
Other derivative assets	9,395	4,510
Total derivative assets	9,395	4,510
Liabilities
Other derivative liabilities	2,897	5,185
Total derivative liabilities	2,897	5,185
Interest rate swaps
Assets
Interest rate swaps	4,198	21,226
Total derivative assets	4,198	21,226
Liabilities
Total derivative liabilities	25,350	7,212
TBA derivatives
Assets
Other derivative assets	24,074	8,635
Total derivative assets	24,074	8,635
Liabilities
Other derivative liabilities	13,598	30,539
Total derivative liabilities	$ 13,598	$ 30,539

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