DERIVATIVE INSTRUMENTS - Summary of Fair Value Information about Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Assets
Total derivative assets	$ 67,257	$ 225,351	[1]
Liabilities
Interest rate swaps	18,455	7,212
Total derivative liabilities	181,065	59,586	[1]
Futures
Assets
Other derivative assets	5,597	190,980
Total derivative assets	5,597	190,980
Liabilities
Other derivative liabilities	148,371	16,650
Total derivative liabilities	148,371	16,650
Purchase commitments
Assets
Other derivative assets	10,958	4,510
Total derivative assets	10,958	4,510
Liabilities
Other derivative liabilities	1,772	5,185
Total derivative liabilities	1,772	5,185
Interest rate swaps
Assets
Interest rate swaps	8,012	21,226
Total derivative assets	8,012	21,226
Liabilities
Total derivative liabilities	18,455	7,212
Interest rate swaptions
Assets
Other derivative assets	7,595	0
Total derivative assets	7,595
TBA derivatives
Assets
Other derivative assets	35,095	8,635
Total derivative assets	35,095	8,635
Liabilities
Other derivative liabilities	12,467	30,539
Total derivative liabilities	$ 12,467	$ 30,539

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