FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Guarantee asset
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net income available for common shareholders	Net income available for common shareholders	Net income available for common shareholders	Net income available for common shareholders
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Loans Held at Fair Value
Guarantee asset
Balance at beginning of period	$ 11,922	$ 20,807	$ 13,726	$ 23,321
Loans acquired				1,162
Gains/(losses) in net income, net	50	(507)	100	(657)
Settlements	(1,417)	(2,160)	(2,919)	(5,294)
Balance at end of period	10,190	17,523	10,190	17,523
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Net Charge Off	(365)	(617)	(717)	(1,009)
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Guarantee Asset
Guarantee asset
Balance at beginning of period	199	235	189	143
Loans transferred from held for investment	34	9	47	14
Gains/(losses) in net income, net	6	(78)	11	9
Settlements	(11)		(19)
Balance at end of period	228	166	228	166
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | IRLC, net
Guarantee asset
Balance at beginning of period	813	723	345	229
Loans acquired	912	454	1,725	1,340
Loans transferred from held for investment	1,294	692	2,113	2,178
Gains/(losses) in net income, net	481	(32)	955	1,062
Balance at end of period	912	453	912	453
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Equity Warrants
Guarantee asset
Balance at beginning of period	795	825	795	825
Balance at end of period	$ 795	$ 825	$ 795	$ 825