FAIR VALUE ACCOUNTING - Carrying Amount and Estimated Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financial assets:
Total available-for-sale securities	$ 128,435	$ 134,103
Securities held-to-maturity “HTM”	61,481	64,117
Equity securities	6,287	5,840
Carrying Amount \| (Level I)
Financial assets:
Cash and cash equivalents	121,762	118,853
Equity securities	571	505
Accrued interest receivable	6,180	6,126
Financial liabilities:
Accrued interest payable	3,126	3,680
Carrying Amount \| (Level I) \| Residential mortgage
Financial assets:
Loans held for sale - Residential mortgage and SBA /FSA	941	2,338
Carrying Amount \| (Level II)
Financial assets:
Total available-for-sale securities	128,435	134,103
Securities held-to-maturity “HTM”	77,415	80,210
Other investments	12,485	12,506
Financial liabilities:
FHLB advances	0	0
Other borrowings	51,885	51,804
Carrying Amount \| (Level II) \| SBA /FSA
Financial assets:
Loans held for sale - Residential mortgage and SBA /FSA	0	2,616
Carrying Amount \| (Level III)
Financial assets:
Equity securities	1,125	1,125
Loans receivable, net	1,357,076	1,317,924
Mortgage servicing rights	3,453	3,494
Financial liabilities:
Deposits (excluding demand deposits)	895,494	891,747
Carrying Amount \| NAV
Financial assets:
Equity securities	4,591	4,210
Estimated Fair Value \| (Level I)
Financial assets:
Cash and cash equivalents	121,762	118,853
Equity securities	571	505
Accrued interest receivable	6,180	6,126
Financial liabilities:
Accrued interest payable	3,126	3,680
Estimated Fair Value \| (Level I) \| Residential mortgage
Financial assets:
Loans held for sale - Residential mortgage and SBA /FSA	941	2,338
Estimated Fair Value \| (Level II)
Financial assets:
Total available-for-sale securities	128,435	134,103
Securities held-to-maturity “HTM”	61,481	64,117
Other investments	12,485	12,506
Financial liabilities:
FHLB advances	0	0
Other borrowings	50,950	49,988
Estimated Fair Value \| (Level II) \| SBA /FSA
Financial assets:
Loans held for sale - Residential mortgage and SBA /FSA	0	2,616
Estimated Fair Value \| (Level III)
Financial assets:
Equity securities	1,125	1,125
Loans receivable, net	1,343,743	1,297,841
Mortgage servicing rights	5,108	4,652
Financial liabilities:
Deposits (excluding demand deposits)	$ 895,099	$ 891,663

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