SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Financial results by reportable segments [Abstract]
Net interest income (expense)	$ 104,575	$ 95,612
Provision for loan loss	(2,799)	(6,901)
Noninterest income	56,633	52,121
Noninterest expense	(121,708)	(115,443)
Income before income taxes	36,701	25,389
Income tax (expense) benefit	(7,481)	3,901
Net income	29,220	29,290
Total assets	3,237,167	2,712,745
Banking [Member] | Operating Segments [Member]
Financial results by reportable segments [Abstract]
Net interest income (expense)	104,575	95,612
Provision for loan loss	(2,799)	(6,901)
Noninterest income	49,834	45,247
Noninterest expense	(117,160)	(111,104)
Income before income taxes	34,450	22,854
Income tax (expense) benefit	(7,097)	4,129
Net income	27,353	26,983
Total assets	3,224,396	2,701,600
Insurance [Member] | Operating Segments [Member]
Financial results by reportable segments [Abstract]
Net interest income (expense)	0	0
Provision for loan loss	0	0
Noninterest income	6,799	6,874
Noninterest expense	(4,548)	(4,339)
Income before income taxes	2,251	2,535
Income tax (expense) benefit	(384)	(228)
Net income	1,867	2,307
Total assets	$ 12,771	$ 11,145