FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financial Assets
Mortgage loans held for sale, at fair value	$ 26,856	$ 7,254
IRLC, net	1,305	763
Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	26,856	7,254
Loans held at fair value	10,190	13,726
Equity securities	748	758
Guarantee asset	228	189
Equity warrants	795	795
Swap derivative assets	1,305	763
Financial Liabilities
Swap derivative liabilities	730	740
Fair Value, Recurring | IRLC, net
Financial Assets
IRLC, net	912	345
Fair Value, Recurring | Forward commitments and FSC
Financial Liabilities
Forward commitments and FSC	34	351
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	0	0
Loans held at fair value	0	0
Equity securities	626	636
Guarantee asset	0	0
Equity warrants	0	0
Swap derivative assets	0	0
Financial Liabilities
Swap derivative liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | IRLC, net
Financial Assets
IRLC, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Forward commitments and FSC
Financial Liabilities
Forward commitments and FSC	0	0
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	26,856	7,254
Loans held at fair value	0	0
Equity securities	122	122
Guarantee asset	0	0
Equity warrants	0	0
Swap derivative assets	1,305	763
Financial Liabilities
Swap derivative liabilities	730	740
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | IRLC, net
Financial Assets
IRLC, net	0	0
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Forward commitments and FSC
Financial Liabilities
Forward commitments and FSC	24	351
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	0	0
Loans held at fair value	10,190	13,726
Equity securities	0	0
Guarantee asset	228	189
Equity warrants	795	795
Swap derivative assets	0	0
Financial Liabilities
Swap derivative liabilities	0	0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | IRLC, net
Financial Assets
IRLC, net	912	345
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Forward commitments and FSC
Financial Liabilities
Forward commitments and FSC	$ 10	$ 0