SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Financial results by reportable segments [Abstract]
Net interest income	$ 24,837	$ 23,439	$ 49,383	$ 46,157
Provision for loan loss	(875)	(1,540)	(1,483)	(2,318)
Noninterest income	13,703	12,968	25,778	24,436
Noninterest expense	(29,930)	(28,422)	(59,966)	(56,299)
Income before income taxes	7,735	6,445	13,712	11,976
Income tax (expense) benefit	(1,655)	6,568	(2,859)	6,538
Net income	6,080	13,013	10,853	18,514
Banking [Member]
Financial results by reportable segments [Abstract]
Net interest income	24,837	23,439	49,383	46,157
Provision for loan loss	(875)	(1,540)	(1,483)	(2,318)
Noninterest income	12,563	11,905	22,933	22,040
Noninterest expense	(29,098)	(27,615)	(58,170)	(54,569)
Income before income taxes	7,427	6,189	12,663	11,310
Income tax (expense) benefit	(1,590)	6,402	(2,730)	6,372
Net income	5,837	12,591	9,933	17,682
Insurance [Member]
Financial results by reportable segments [Abstract]
Net interest income	0	0	0	0
Provision for loan loss	0	0	0	0
Noninterest income	1,140	1,063	2,845	2,396
Noninterest expense	(832)	(807)	(1,796)	(1,730)
Income before income taxes	308	256	1,049	666
Income tax (expense) benefit	(65)	166	(129)	166
Net income	$ 243	$ 422	$ 920	$ 832