PARENT COMPANY FINANCIAL DATA - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2015
NET CASH PROVIDED BY OPERATING ACTIVITIES
Net income	$ 13,035	$ 13,782	$ 3,185
Stock based compensation	369	178	115
Net change in other assets	(1,708)	2,578	526
Net cash provided by (used) operating activities	13,359	4,813	6,558
CASH FLOWS FROM INVESTING ACTIVITIES
Cash received from branch acquisition	24,093	0	28,513
Net cash used in investing activities	(42,128)	9,567	(47,724)
CASH FLOWS FROM FINANCING ACTIVITIES
Repurchase common stock	(11,427)	0	0
Proceeds from issuance of common stock	0	63,250	0
Direct expenses related to capital transaction	0	3,444	0
Net cash provided by (used) financing activities	(31,516)	62,287	48,147
Net increase in cash and cash equivalents	(60,285)	76,667	6,981
Cash and cash equivalents at beginning of year	79,077	139,362	62,695	$ 55,714
Cash and cash equivalents, end of year	79,077	139,362	62,695	55,714
Parent Company [Member]
NET CASH PROVIDED BY OPERATING ACTIVITIES
Net income	13,035	13,782	3,185
Equity in undistributed income of subsidiaries	(14,153)	(39,153)	9,236
Stock based compensation	369	178	115
Net change in other assets	(456)	(283)	(315)
Net change in other liabilities	11	(12,185)	12,066
Net cash provided by (used) operating activities	(1,194)	(37,661)	24,287
CASH FLOWS FROM INVESTING ACTIVITIES
Cash received from branch acquisition	0	0	257
Investment in subsidiary	0	0	(12,407)
Net cash used in investing activities	0	0	(12,150)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock option exercises	228	187	166
Repurchase common stock	11,427	0	0
Proceeds from issuance of common stock	0	63,250	0
Direct expenses related to capital transaction	0	(3,444)	0
Net cash provided by (used) financing activities	(11,199)	59,993	166
Net increase in cash and cash equivalents	(12,393)	22,332	12,303
Cash and cash equivalents at beginning of year	22,556	34,949	12,617	314
Cash and cash equivalents, end of year	$ 22,556	$ 34,949	$ 12,617	$ 314

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