FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	$ 49,177	$ 0
Mortgage loans held for sale, at fair value	21,806	25,455
Derivative assets	1,014	1,060
Financial Liabilities
Forward commitments and FSC	2,875	956
GNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	9,869
FNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	14,825
Government CMO and MBS – commercial
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	24,483
Fair Value, Recurring
Financial Assets
Mortgage loans held for sale, at fair value	21,806	25,455
Loans held for sale		251
Loans held at fair value	4,208	7,283
Equity securities	769	752
Guarantee asset	266	235
Equity warrants	765	765
Swap derivative assets	1,014	1,060
Financial Liabilities
Swap derivative liabilities	2,875	956
Fair Value, Recurring | GNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	9,869
Fair Value, Recurring | FNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	14,825
Fair Value, Recurring | Government CMO and MBS – commercial
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	24,483
Fair Value, Recurring | IRLC, net
Financial Assets
Derivative assets	1,013	358
Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets		225
Financial Liabilities
Forward commitments and FSC	110	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	647	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 | GNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | FNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Government CMO and MBS – commercial
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	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
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	21,806	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	1,014	1,060
Financial Liabilities
Swap derivative liabilities	2,875	956
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | GNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	9,869
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | FNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	14,825
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Government CMO and MBS – commercial
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	24,483
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | IRLC, net
Financial Assets
Derivative assets	1,013	358
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets		225
Financial Liabilities
Forward commitments and FSC	110	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	4,208	7,283
Equity securities	0	0
Guarantee asset	266	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 | GNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | FNMA MBS – residential
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Government CMO and MBS – commercial
Financial Assets
Available-for-sale debt securities, at fair value (amortized cost of $49,407 and $0, respectively)	0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | IRLC, net
Financial Assets
Derivative assets	0	0
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Forward commitments and FSC
Financial Assets
Derivative assets		0
Financial Liabilities
Forward commitments and FSC	$ 0	$ 0