FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Guarantee asset
Fair value, asset, recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income [Extensible Enumeration]	Net income available to common shareholders
Level 3 | Fair value, recurring | Loans Held at Fair Value
Guarantee asset
Balance at beginning of period	$ 13,726	$ 23,321
Acquisitions		1,173
Gains/(losses) in net income, net	179	(309)
Net charge-offs	(1,178)	(1,700)
Settlements	(5,444)	(8,759)
Balance at end of period	7,283	13,726
Level 3 | Fair value, recurring | Guarantee Asset
Guarantee asset
Balance at beginning of period	189	143
Originations	78	32
Gains/(losses) in net income, net	26	38
Settlements	(58)	(24)
Balance at end of period	235	189
Level 3 | Fair value, recurring | IRLC
Guarantee asset
Balance at beginning of period	345	229
Acquisitions	3,160	1,997
Originations	(3,889)	(3,272)
Gains/(losses) in net income, net	742	1,391
Balance at end of period	358	345
Level 3 | Fair value, recurring | Equity Warrants
Guarantee asset
Balance at beginning of period	795	825
Gains/(losses) in net income, net	(30)	(30)
Balance at end of period	$ 765	$ 795