INVESTMENT SECURITIES - Amortized cost and fair value of securities available-for-sale (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment securities held-to-maturity:
Total	$ 74,173	$ 81,056
Gross Unrecognized Gains	9	13
Gross Unrecognized Losses	(7,565)	(6,351)
Fair Value	66,617	74,718
Allowance for Credit Losses	(71)	0
U.S. Treasury debt
Investment securities held-to-maturity:
Total	253	243
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(11)	(9)
Fair Value	242	234
Allowance for Credit Losses	0
Corporate bonds
Investment securities held-to-maturity:
Total	23,687	23,819
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(3,020)	(2,453)
Fair Value	20,667	21,366
Allowance for Credit Losses	(71)	0
GNMA mortgage-backed securities – residential
Investment securities held-to-maturity:
Total	34,579	39,426
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(3,410)	(2,800)
Fair Value	31,169	36,626
Allowance for Credit Losses	0
FNMA mortgage-backed securities – residential
Investment securities held-to-maturity:
Total	6,035	6,708
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(509)	(506)
Fair Value	5,526	6,202
Allowance for Credit Losses	0
Government CMO and MBS - commercial
Investment securities held-to-maturity:
Total	5,836	6,786
Gross Unrecognized Gains	9	13
Gross Unrecognized Losses	(377)	(403)
Fair Value	5,468	6,396
Allowance for Credit Losses	0
Corporate CMO and MBS(2)
Investment securities held-to-maturity:
Total	3,783	4,074
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	(238)	(180)
Fair Value	3,545	3,894
Allowance for Credit Losses	$ 0	$ 0

Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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