MORTGAGE SERVICING RIGHTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value, beginning of period	$ 2,785,614	$ 2,018,896	$ 2,122,196	$ 1,748,209
Purchases	64,750	185,299	701,377	399,450
Sales	(68,635)	0	(69,703)	0
Changes in valuation inputs or assumptions	(42,752)	62,315	63,286	172,845
Other changes, including realization of expected cash flows	(45,920)	(31,697)	(124,099)	(85,691)
Fair value, end of period	$ 2,693,057	$ 2,234,813	$ 2,693,057	$ 2,234,813