FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financial Assets
Mortgage loans held for sale, at fair value	$ 10,557	$ 25,455
Derivative assets	1,013	1,060
Financial Liabilities
Forward commitments and FSC	1,013	956
Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	10,557	25,455
Loans held for sale		251
Loans held at fair value	6,112	7,283
Equity securities	761	752
Guarantee asset	261	235
Equity warrants	765	765
Swap derivative assets	1,013	1,060
Financial Liabilities
Swap derivative liabilities	1,013	956
Fair Value, Recurring | IRLC, net
Financial Assets
Derivative assets	801	358
Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets	5	225
Financial Liabilities
Forward commitments and FSC	128	13
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 for sale		0
Loans held at fair value	0	0
Equity securities	639	630
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
Derivative assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets	0	0
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	10,557	25,455
Loans held for sale		251
Loans held at fair value	0	0
Equity securities	122	122
Guarantee asset	0	0
Equity warrants	0	0
Swap derivative assets	1,013	1,060
Financial Liabilities
Swap derivative liabilities	1,013	956
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | IRLC, net
Financial Assets
Derivative assets	0	0
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets	5	225
Financial Liabilities
Forward commitments and FSC	128	13
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	0	0
Loans held for sale		0
Loans held at fair value	6,112	7,283
Equity securities	0	0
Guarantee asset	261	235
Equity warrants	765	765
Swap derivative assets	0	0
Financial Liabilities
Swap derivative liabilities	0	0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | IRLC, net
Financial Assets
Derivative assets	801	358
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets	0	0
Financial Liabilities
Forward commitments and FSC	$ 0	$ 0