INVESTMENT SECURITIES - Amortized cost and fair value of securities available-for-sale (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investment securities held-to-maturity:
Amortized Cost	$ 81,056
Gross Unrecognized Gains	13
Gross Unrecognized Losses	(6,351)
Fair Value	74,718
Investment securities available-for-sale:
Amortized Cost		$ 55,266
Gross Unrealized Gains		478
Gross Unrealized Losses		(182)
Fair Value	0	55,562
U.S. Treasury debt
Investment securities held-to-maturity:
Amortized Cost	243
Gross Unrecognized Gains	0
Gross Unrecognized Losses	(9)
Fair Value	234
Investment securities available-for-sale:
Amortized Cost		250
Gross Unrealized Gains		0
Gross Unrealized Losses		(3)
Fair Value		247
U.S. Government Agency
Investment securities available-for-sale:
Amortized Cost		3,522
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value		3,522
Corporate bonds
Investment securities held-to-maturity:
Amortized Cost	23,819
Gross Unrecognized Gains	0
Gross Unrecognized Losses	(2,453)
Fair Value	21,366
Investment securities available-for-sale:
Amortized Cost		8,113
Gross Unrealized Gains		227
Gross Unrealized Losses		(15)
Fair Value		8,325
GNMA mortgage-backed securities – residential
Investment securities held-to-maturity:
Amortized Cost	39,426
Gross Unrecognized Gains	0
Gross Unrecognized Losses	(2,800)
Fair Value	36,626
Investment securities available-for-sale:
Amortized Cost		26,611
Gross Unrealized Gains		185
Gross Unrealized Losses		(146)
Fair Value		26,650
FNMA mortgage-backed securities – residential
Investment securities held-to-maturity:
Amortized Cost	6,708
Gross Unrecognized Gains	0
Gross Unrecognized Losses	(506)
Fair Value	6,202
Investment securities available-for-sale:
Amortized Cost		14,400
Gross Unrealized Gains		43
Gross Unrealized Losses		0
Fair Value		14,443
Government CMO and MBS - commercial
Investment securities held-to-maturity:
Amortized Cost	6,786
Gross Unrecognized Gains	13
Gross Unrecognized Losses	(403)
Fair Value	6,396
Investment securities available-for-sale:
Amortized Cost		878
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value		878
Corporate CMO and MBS
Investment securities held-to-maturity:
Amortized Cost	4,074
Gross Unrecognized Gains	0
Gross Unrecognized Losses	(180)
Fair Value	$ 3,894
Investment securities available-for-sale:
Amortized Cost		1,492
Gross Unrealized Gains		23
Gross Unrealized Losses		(18)
Fair Value		$ 1,497

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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