SELECTED QUARTERLY DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Selected Quarterly Financial Information [Abstract]
Interest income	$ 93,370	$ 95,018	$ 93,736	$ 91,034	$ 90,942	$ 88,623	$ 84,482	$ 79,220	$ 373,158	$ 343,267	$ 239,567
Interest expense	41,676	45,745	45,440	43,618	42,343	40,230	35,958	27,701	176,479	146,232	36,680
Net interest income	51,694	49,273	48,296	47,416	48,599	48,393	48,524	51,519	196,679	197,035	202,887
Provision for credit losses	3,691	3,059	8,480	1,520	300	400	800	4,350	16,750	5,850	9,375
Net interest income after provision	48,003	46,214	39,816	45,896	48,299	47,993	47,724	47,169	179,929	191,185	193,512
Noninterest income	11,876	11,917	20,439	12,612	17,208	10,835	11,501	10,314
Noninterest expense	30,653	30,393	33,333	30,705	29,445	29,097	42,734	29,434	125,084	130,710	110,210
Income tax expense	5,036	4,400	4,373	4,402	6,436	4,479	1,880	3,771	18,211	16,566	21,347
NET INCOME	$ 24,190	$ 23,338	$ 22,549	$ 23,401	$ 29,626	$ 25,252	$ 14,611	$ 24,278	$ 93,478	$ 93,767	$ 103,817
Basic earnings per common share (in USD per share)	$ 0.94	$ 0.91	$ 0.88	$ 0.91	$ 1.16	$ 0.99	$ 0.57	$ 0.95	$ 3.64	$ 3.67	$ 4.07
Diluted earnings per common share (in USD per share)	$ 0.94	$ 0.91	$ 0.87	$ 0.91	$ 1.16	$ 0.98	$ 0.57	$ 0.94	$ 3.63	$ 3.65	$ 4.04