SUMMARY OF QUARTERLY RESULTS OF OPERATIONS AND PER SHARE AMOUNTS (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract]
Total interest income	$ 57,931	$ 53,874	$ 45,847	$ 42,741	$ 43,885	$ 44,435	$ 43,238	$ 45,187	$ 45,613	$ 46,338	$ 45,799	$ 41,598	$ 200,393	$ 176,745	$ 179,348
Total interest expense	10,003	4,726	3,746	4,102	4,128	4,407	5,188	5,958	6,147	6,365	6,619	7,533	22,577	19,681	26,664
Net interest income	47,928	49,148	42,101	38,639	39,757	40,028	38,050	39,229	39,466	39,973	39,180	34,065	177,816	157,064	152,684
Provision for credit losses	705	4,300	600	0	(1,104)	0	0	0	3,522	6,921	7,606	7,102	5,605	(1,104)	25,151
Net interest income after provision for credit losses	47,223	44,848	41,501	38,639	40,861	40,028	38,050	39,229	35,944	33,052	31,574	26,963	172,211	158,168	127,533
Total non-interest income	8,118	9,022	8,664	11,157	9,593	9,586	8,822	9,472	10,928	8,794	15,680	6,474	36,961	37,473	41,876
Total non-interest expense	35,035	35,903	30,955	28,590	30,790	29,053	27,452	27,264	27,896	26,936	28,070	23,439	130,483	114,559	106,341
Income taxes	4,012	3,924	3,457	4,377	3,873	4,429	3,820	4,793	3,642	2,993	2,241	1,687	15,770	16,915	10,563
Net income available to common stockholders	16,294	14,043	15,753	16,829	15,791	16,132	15,600	16,644	15,334	11,917	16,943	8,311	62,919	64,167	52,505
Net income available to common stockholders	$ 16,294	$ 14,043	$ 15,753	$ 16,829	$ 15,791	$ 16,132	$ 15,600	$ 16,644	$ 15,334	$ 11,917	$ 16,943	$ 8,311	$ 62,919	$ 64,167	$ 52,505
Per common share:
Basic earnings per share (in dollars per share)	$ 0.68	$ 0.61	$ 0.77	$ 0.81	$ 0.75	$ 0.77	$ 0.74	$ 0.79	$ 0.72	$ 0.56	$ 0.79	$ 0.44	$ 2.86	$ 3.05	$ 2.53
Diluted earnings per share (in dollars per share)	0.67	0.61	0.76	0.81	0.75	0.76	0.74	0.79	0.72	0.55	0.79	0.44	2.84	3.03	2.52
Dividends declared (in dollars per share)	$ 0.20	$ 0.19	$ 0.18	$ 0.17	$ 0.16	$ 0.15	$ 0.14	$ 0.13	$ 0.12	$ 0.10	$ 0.10	$ 0.10	$ 0.74	$ 0.58	$ 0.42