FAIR VALUE - Summary of assets measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		$ 55,562
Mortgage loans held for sale, at fair value	$ 26,202	30,620
U.S. Treasury debt
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		247
U.S. Government Agency
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		3,522
Corporate bonds
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		8,325
Government CMO and MBS
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		878
Corporate CMO and MBS
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		1,497
Recurring
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		55,562
Loans held at fair value	21,477
Equity securities	777	1,198
Guarantee asset	174	237
Equity warrants	725	160
Mortgage loans held for sale, at fair value	26,202	30,620
Recurring | U.S. Treasury debt
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		247
Recurring | U.S. Government Agency
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		3,522
Recurring | Corporate bonds
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		8,325
Recurring | Government CMO and MBS
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		878
Recurring | Corporate CMO and MBS
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		1,497
Recurring | IRLC,net
Summary of assets measured on a recurring and nonrecurring basis
Derivative asset, Fair value	836	1,473
Recurring | Forward Commitment
Summary of assets measured on a recurring and nonrecurring basis
Derivative asset, Fair value	239	(74)
Recurring | GNMA | mortgage-backed securities - residential
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		26,650
Recurring | FNMA | mortgage-backed securities - residential
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		14,443
Level 1 | Recurring
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		247
Equity securities	655	709
Level 1 | Recurring | U.S. Treasury debt
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		247
Level 2 | Recurring
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		53,202
Equity securities	122	489
Mortgage loans held for sale, at fair value	26,202	30,620
Level 2 | Recurring | U.S. Government Agency
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		3,522
Level 2 | Recurring | Corporate bonds
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		6,212
Level 2 | Recurring | Government CMO and MBS
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		878
Level 2 | Recurring | Corporate CMO and MBS
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		1,497
Level 2 | Recurring | Forward Commitment
Summary of assets measured on a recurring and nonrecurring basis
Derivative asset, Fair value	239	(65)
Level 2 | Recurring | GNMA | mortgage-backed securities - residential
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		26,650
Level 2 | Recurring | FNMA | mortgage-backed securities - residential
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		14,443
Level 3 | Recurring
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		2,113
Loans held at fair value	21,477
Guarantee asset	174	237
Equity warrants	725	160
Level 3 | Recurring | Corporate bonds
Summary of assets measured on a recurring and nonrecurring basis
Available-for-sale securities, at fair value		2,113
Level 3 | Recurring | IRLC,net
Summary of assets measured on a recurring and nonrecurring basis
Derivative asset, Fair value	$ 836	1,473
Level 3 | Recurring | Forward Commitment
Summary of assets measured on a recurring and nonrecurring basis
Derivative asset, Fair value		$ (9)