LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Allowance for loan losses by portfolio (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 14,357	$ 12,552	$ 13,732	$ 12,539
(Release)/provision for loan losses	1,756	406	2,485	418
Charge-offs	(50)		(242)
Recoveries	18	6	106	7
Ending balance	16,081	12,964	16,081	12,964
Individually evaluated					$ 1,753
Collectively evaluated	16,081		16,081		11,979
Loans individually evaluated	3,637		3,637		4,262
Loans collectively evaluated	2,328,613		2,328,613		1,949,906
Unpaid principal balance of loans held for investment measured at fair value	35,603		35,603		29,857
Total Recorded Investment	2,354,898		2,354,898		1,954,168
Cash, Securities and Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,194	1,843	1,598	2,439
(Release)/provision for loan losses	(97)	(51)	(501)	(647)
Ending balance	1,097	1,792	1,097	1,792
Collectively evaluated	1,097		1,097		1,598
Loans individually evaluated	4		4		6
Loans collectively evaluated	154,744		154,744		261,184
Total Recorded Investment	154,748		154,748		261,190
Consumer and Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	220	196	266	140
(Release)/provision for loan losses	9	136	67	191
Charge-offs	(50)		(242)
Recoveries	18	6	106	7
Ending balance	197	338	197	338
Individually evaluated					2
Collectively evaluated	197		197		264
Loans individually evaluated					2
Loans collectively evaluated	27,781		27,781		34,756
Total Recorded Investment	50,429		50,429		34,758
Construction and Development
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,074	871	1,092	932
(Release)/provision for loan losses	496	48	478	(13)
Ending balance	1,570	919	1,570	919
Collectively evaluated	1,570		1,570		1,092
Loans individually evaluated	201		201
Loans collectively evaluated	227,859		227,859		178,716
Total Recorded Investment	228,060		228,060		178,716
1-4 Family Residential
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	4,845	3,399	3,553	3,233
(Release)/provision for loan losses	824	97	2,116	263
Ending balance	5,669	3,496	5,669	3,496
Collectively evaluated	5,669		5,669		3,553
Loans individually evaluated	69		69		75
Loans collectively evaluated	822,727		822,727		580,797
Total Recorded Investment	822,796		822,796		580,872
Non-Owner Occupied CRE
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,235	2,223	2,952	2,004
(Release)/provision for loan losses	402	271	685	490
Ending balance	3,637	2,494	3,637	2,494
Collectively evaluated	3,637		3,637		2,952
Loans collectively evaluated	527,836		527,836		482,622
Total Recorded Investment	527,836		527,836		482,622
Owner Occupied CRE
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,477	1,225	1,292	1,159
(Release)/provision for loan losses	31	(67)	216	(1)
Ending balance	1,508	1,158	1,508	1,158
Collectively evaluated	1,508		1,508		1,292
Loans individually evaluated	1,179		1,179		1,241
Loans collectively evaluated	218,896		218,896		211,185
Total Recorded Investment	220,075		220,075		212,426
Commercial. and Industrial.
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,312	2,795	2,979	2,632
(Release)/provision for loan losses	91	(28)	(576)	135
Ending balance	2,403	$ 2,767	2,403	$ 2,767
Individually evaluated					1,751
Collectively evaluated	2,403		2,403		1,228
Loans individually evaluated	2,184		2,184		2,938
Loans collectively evaluated	348,770		348,770		200,646
Total Recorded Investment	350,954		350,954		$ 203,584
Loan Held for Investment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Unpaid principal balance of loans held for investment measured at fair value	$ 22,648		$ 22,648