SEGMENT REPORTING - Reconciliation of Segment Net Income Loss and Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	$ 34,891	$ 33,034	$ 68,476	$ 64,732
Interest expense	10,221	12,226	20,222	24,107
Net interest income	24,670	20,808	48,254	40,625
Provision for credit losses	561	1,145	1,162	2,237
Net interest income after provision for credit losses	24,109	19,663	47,092	38,388
Non-interest income	6,503	(10,705)	12,823	(4,816)
Compensation expense and benefits	10,181	9,578	19,761	18,596
Net occupancy expense	1,546	1,431	3,074	2,964
Furniture and equipment expense	498	455	907	828
Data processing & software expense	2,615	2,563	5,151	5,097
Other non-interest expenses	4,481	3,742	7,890	7,211
Total non-interest expense	19,321	17,769	36,783	34,696
Income (loss) before income tax expense	11,291	(8,811)	23,132	(1,124)
Income tax expense (benefit)	2,481	(2,359)	5,123	(695)
Net income (loss)	8,810	(6,452)	18,009	(429)
Assets	2,820,202	2,852,488	2,820,202	2,852,488	$ 2,710,235
Capital expenditures	323	360	456	688
Depreciation expense	486	474	970	941
Operating Segments | Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	34,891	33,033	68,475	64,731
Interest expense	9,326	12,020	18,431	23,902
Net interest income	25,565	21,013	50,044	40,829
Provision for credit losses	561	1,145	1,162	2,237
Net interest income after provision for credit losses	25,004	19,868	48,882	38,592
Non-interest income	2,908	(13,968)	5,614	(11,152)
Compensation expense and benefits	8,794	8,078	16,648	15,427
Net occupancy expense	1,479	1,363	2,924	2,833
Furniture and equipment expense	458	418	851	769
Data processing & software expense	2,329	2,251	4,547	4,461
Other non-interest expenses	4,065	3,331	7,226	6,605
Total non-interest expense	17,125	15,441	32,196	30,095
Income (loss) before income tax expense	10,787	(9,541)	22,300	(2,655)
Income tax expense (benefit)	2,414	(2,496)	5,023	(991)
Net income (loss)	8,373	(7,045)	17,277	(1,664)
Assets	2,726,884	2,815,812	2,726,884	2,815,812
Capital expenditures	307	360	418	688
Depreciation expense	473	458	944	910
Operating Segments | WMG
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	0	0	0	0
Interest expense	0	0	0	0
Net interest income	0	0	0	0
Provision for credit losses	0	0	0	0
Net interest income after provision for credit losses	0	0	0	0
Non-interest income	3,191	2,993	6,336	5,860
Compensation expense and benefits	1,176	1,320	2,586	2,733
Net occupancy expense	67	68	150	131
Furniture and equipment expense	24	21	38	40
Data processing & software expense	278	308	588	621
Other non-interest expenses	201	250	352	356
Total non-interest expense	1,746	1,967	3,714	3,881
Income (loss) before income tax expense	1,445	1,026	2,622	1,979
Income tax expense (benefit)	323	224	589	432
Net income (loss)	1,122	802	2,033	1,547
Assets	3,065	2,932	3,065	2,932
Capital expenditures	10	0	32	0
Depreciation expense	13	16	26	31
Holding Company and CFS
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	2	2	5	3
Interest expense	897	207	1,795	207
Net interest income	(895)	(205)	(1,790)	(204)
Provision for credit losses	0	0	0	0
Net interest income after provision for credit losses	(895)	(205)	(1,790)	(204)
Non-interest income	407	274	880	483
Compensation expense and benefits	211	180	527	436
Net occupancy expense	3	4	7	7
Furniture and equipment expense	16	16	18	19
Data processing & software expense	8	4	16	15
Other non-interest expenses	215	161	312	250
Total non-interest expense	453	365	880	727
Income (loss) before income tax expense	(941)	(296)	(1,790)	(448)
Income tax expense (benefit)	(256)	(87)	(489)	(136)
Net income (loss)	(685)	(209)	(1,301)	(312)
Assets	313,704	279,056	313,704	279,056
Capital expenditures	6	0	6	0
Depreciation expense	0	0	0	0
Inter-Segment Eliminations
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	(2)	(1)	(4)	(2)
Interest expense	(2)	(1)	(4)	(2)
Net interest income	0	0	0	0
Provision for credit losses	0	0	0	0
Net interest income after provision for credit losses	0	0	0	0
Non-interest income	(3)	(4)	(7)	(7)
Compensation expense and benefits	0	0	0	0
Net occupancy expense	(3)	(4)	(7)	(7)
Furniture and equipment expense	0	0	0	0
Data processing & software expense	0	0	0	0
Other non-interest expenses	0	0	0	0
Total non-interest expense	(3)	(4)	(7)	(7)
Income (loss) before income tax expense	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Net income (loss)	0	0	0	0
Assets	(223,451)	(245,312)	(223,451)	(245,312)
Capital expenditures	0	0	0	0
Depreciation expense	$ 0	$ 0	$ 0	$ 0