SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financial results by reportable segments [Abstract]
Net interest income	$ 37,105	$ 29,593	$ 67,052	$ 59,137
Provision for loan losses	0	2,007	2,085	1,918
Noninterest income	18,835	22,250	42,532	48,750
Noninterest expense	(36,056)	(36,778)	(73,980)	(73,835)
Income before income taxes	19,884	17,072	37,689	35,970
Income tax (expense) benefit	(4,001)	(3,422)	(7,528)	(7,160)
Net income	15,883	13,650	30,161	28,810
Banking [Member] | Operating Segments [Member]
Financial results by reportable segments [Abstract]
Net interest income	37,105	29,593	67,052	59,137
Provision for loan losses	0	2,007	2,085	1,918
Noninterest income	17,364	21,076	39,547	46,493
Noninterest expense	(34,891)	(35,665)	(71,146)	(71,620)
Income before income taxes	19,578	17,011	37,538	35,928
Income tax (expense) benefit	(3,936)	(3,409)	(7,495)	(7,150)
Net income	15,642	13,602	30,043	28,778
Insurance [Member] | Operating Segments [Member]
Financial results by reportable segments [Abstract]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Noninterest income	1,471	1,174	2,985	2,257
Noninterest expense	(1,165)	(1,113)	(2,834)	(2,215)
Income before income taxes	306	61	151	42
Income tax (expense) benefit	(65)	(13)	(33)	(10)
Net income	$ 241	$ 48	$ 118	$ 32