SEGMENT REPORTING - Reconciliation of Segment Net Income Loss and Assets (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income		$ 26,230	$ 17,458
Interest expense		6,283	781
Net interest income		19,947	16,677
Provision for credit losses	[1]	277	(1,145)
Net interest income after provision for credit losses		19,670	17,822
Other non-interest income		5,423	5,663
Other non-interest expenses		15,836	14,668
Income (loss) before income tax expense (benefit)		9,257	8,817
Income tax expense (benefit)		1,987	1,950
Segment net income (loss)		7,270	6,867
Assets		2,654,183	2,474,895	$ 2,645,553
Operating Segments | Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income		26,203	17,451
Interest expense		6,283	781
Net interest income		19,920	16,670
Provision for credit losses		277	(1,145)
Net interest income after provision for credit losses		19,643	17,815
Other non-interest income		2,651	2,693
Other non-interest expenses		13,696	12,531
Income (loss) before income tax expense (benefit)		8,598	7,977
Income tax expense (benefit)		1,831	1,766
Segment net income (loss)		6,767	6,211
Assets		2,644,158	2,463,194
Operating Segments | WMG
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income		0	0
Interest expense		0	0
Net interest income		0	0
Provision for credit losses		0	0
Net interest income after provision for credit losses		0	0
Other non-interest income		2,580	2,757
Other non-interest expenses		1,798	1,815
Income (loss) before income tax expense (benefit)		782	942
Income tax expense (benefit)		177	209
Segment net income (loss)		605	733
Assets		8,311	8,620
Intersegment Eliminations
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income		27	7
Interest expense		0	0
Net interest income		27	7
Provision for credit losses		0	0
Net interest income after provision for credit losses		27	7
Other non-interest income		192	213
Other non-interest expenses		342	322
Income (loss) before income tax expense (benefit)		(123)	(102)
Income tax expense (benefit)		(21)	(25)
Segment net income (loss)		(102)	(77)
Assets		$ 1,714	$ 3,081

[1] Effective January 1, 2023, the allowance calculation is based upon Current Expected Credit loss methodology. Prior to January 1, 2023, the allowance calculation was based upon incurred loss methodology. Refer to Note 1 for further discussion.