ALLOWANCE FOR CREDIT LOSSES - LOANS - Commercial and commercial real estate loan portfolios (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 1,032,727	$ 1,067,949
Current period gross charge-offs, Total	5,073	2,205
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	144,325	147,251
Other commercial real estate (non-owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	217,935	233,882
Current period gross charge-offs, Total	3,145	1,571
Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	82,731	110,142
2024/2023	93,980	137,086
2023/2022	127,208	101,631
2022/2021	77,173	113,330
2021/2020	105,185	65,020
Prior	198,209	192,032
Revolving Loans Amortized Cost Basis	60,587	60,995
Revolving Loans Converted to Term	5,035	1,992
Total loans	750,108	782,228
Current period gross charge-offs, 2023/2022		427
Current period gross charge-offs, 2022/2021	200
Current period gross charge-offs, 2021/2020	1,396
Current period gross charge-offs, Prior	3,323	1,571
Current period gross charge-offs, Total	4,919	1,998
Commercial Portfolio Segment | Commercial real estate (owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	8,901	10,294
2024/2023	10,312	17,016
2023/2022	16,564	6,648
2022/2021	6,050	14,355
2021/2020	12,198	10,476
Prior	30,552	26,984
Revolving Loans Amortized Cost Basis	656	324
Revolving Loans Converted to Term		856
Total loans	85,233	86,953
Current period gross charge-offs, Total	0
Commercial Portfolio Segment | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	22,994	16,714
2024/2023	10,640	19,837
2023/2022	14,643	21,386
2022/2021	13,107	9,150
2021/2020	5,670	4,568
Prior	19,328	19,969
Revolving Loans Amortized Cost Basis	52,908	55,627
Revolving Loans Converted to Term	5,035
Total loans	144,325	147,251
Current period gross charge-offs, 2023/2022		427
Current period gross charge-offs, 2022/2021	200
Current period gross charge-offs, 2021/2020	1,396
Current period gross charge-offs, Prior	178
Current period gross charge-offs, Total	1,774	427
Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	17,984	29,349
2024/2023	26,374	38,912
2023/2022	35,850	21,240
2022/2021	14,284	31,934
2021/2020	30,707	21,322
Prior	46,305	38,047
Revolving Loans Amortized Cost Basis	26	32
Revolving Loans Converted to Term		942
Total loans	171,530	181,778
Current period gross charge-offs, Total	0
Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	9,762	25,984
2024/2023	24,594	28,807
2023/2022	32,750	16,423
2022/2021	11,515	16,816
2021/2020	15,867	12,428
Prior	36,573	31,431
Revolving Loans Amortized Cost Basis	24	475
Total loans	131,085	132,364
Current period gross charge-offs, Total	0
Commercial Portfolio Segment | Other commercial real estate (non-owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	23,090	27,801
2024/2023	22,060	32,514
2023/2022	27,401	35,934
2022/2021	32,217	41,075
2021/2020	40,743	16,226
Prior	65,451	75,601
Revolving Loans Amortized Cost Basis	6,973	4,537
Revolving Loans Converted to Term		194
Total loans	217,935	233,882
Current period gross charge-offs, Prior	3,145	1,571
Current period gross charge-offs, Total	3,145	1,571
Pass | Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	82,731	110,142
2024/2023	93,980	136,606
2023/2022	126,793	100,348
2022/2021	76,686	107,698
2021/2020	102,084	64,105
Prior	187,212	175,405
Revolving Loans Amortized Cost Basis	57,946	59,823
Revolving Loans Converted to Term	5,010	1,992
Total loans	732,442	756,119
Pass | Commercial Portfolio Segment | Commercial real estate (owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	8,901	10,294
2024/2023	10,312	17,016
2023/2022	16,564	6,648
2022/2021	6,050	10,675
2021/2020	9,460	10,476
Prior	29,511	26,393
Revolving Loans Amortized Cost Basis	433	324
Revolving Loans Converted to Term		856
Total loans	81,231	82,682
Pass | Commercial Portfolio Segment | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	22,994	16,714
2024/2023	10,640	19,357
2023/2022	14,643	20,977
2022/2021	12,800	7,397
2021/2020	5,307	4,568
Prior	18,626	19,280
Revolving Loans Amortized Cost Basis	50,490	54,455
Revolving Loans Converted to Term	5,010
Total loans	140,510	142,748
Pass | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	17,984	29,349
2024/2023	26,374	38,912
2023/2022	35,435	20,935
2022/2021	14,284	31,934
2021/2020	30,707	21,322
Prior	46,305	38,047
Revolving Loans Amortized Cost Basis	26	32
Revolving Loans Converted to Term		942
Total loans	171,115	181,473
Pass | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	9,762	25,984
2024/2023	24,594	28,807
2023/2022	32,750	16,423
2022/2021	11,515	16,816
2021/2020	15,867	11,513
Prior	34,378	30,066
Revolving Loans Amortized Cost Basis	24	475
Total loans	128,890	130,084
Pass | Commercial Portfolio Segment | Other commercial real estate (non-owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
2025/2024	23,090	27,801
2024/2023	22,060	32,514
2023/2022	27,401	35,365
2022/2021	32,037	40,876
2021/2020	40,743	16,226
Prior	58,392	61,619
Revolving Loans Amortized Cost Basis	6,973	4,537
Revolving Loans Converted to Term		194
Total loans	210,696	219,132
Special Mention | Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
2023/2022		305
Prior	5,725	3,488
Revolving Loans Amortized Cost Basis	1,463
Total loans	7,188	3,793
Special Mention | Commercial Portfolio Segment | Commercial real estate (owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	520
Revolving Loans Amortized Cost Basis	223
Total loans	743
Special Mention | Commercial Portfolio Segment | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Revolving Loans Amortized Cost Basis	1,240
Total loans	1,240
Special Mention | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail
Financing Receivable, Credit Quality Indicator [Line Items]
2023/2022		305
Total loans		305
Special Mention | Commercial Portfolio Segment | Other commercial real estate (non-owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	5,205	3,488
Total loans	5,205	3,488
Substandard | Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
2024/2023		480
2023/2022	415	978
2022/2021	487	5,632
2021/2020	3,101	915
Prior	4,874	13,139
Revolving Loans Amortized Cost Basis	1,178	1,172
Revolving Loans Converted to Term	25
Total loans	10,080	22,316
Substandard | Commercial Portfolio Segment | Commercial real estate (owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
2022/2021		3,680
2021/2020	2,738
Prior	521	591
Total loans	3,259	4,271
Substandard | Commercial Portfolio Segment | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024/2023		480
2023/2022		409
2022/2021	307	1,753
2021/2020	363
Prior	304	689
Revolving Loans Amortized Cost Basis	1,178	1,172
Revolving Loans Converted to Term	25
Total loans	2,177	4,503
Substandard | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail
Financing Receivable, Credit Quality Indicator [Line Items]
2023/2022	415
Total loans	415
Substandard | Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
2021/2020		915
Prior	2,195	1,365
Total loans	2,195	2,280
Substandard | Commercial Portfolio Segment | Other commercial real estate (non-owner occupied)
Financing Receivable, Credit Quality Indicator [Line Items]
2023/2022		569
2022/2021	180	199
Prior	1,854	10,494
Total loans	2,034	$ 11,262
Doubtful | Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	398
Total loans	398
Doubtful | Commercial Portfolio Segment | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	398
Total loans	$ 398