PARENT COMPANY ONLY FINANCIAL STATEMENTS - STATEMENT OF OPERATIONS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
INCOME:
Interest income	$ 44,376	$ 37,983	$ 33,513
EXPENSES:
Interest expense on borrowings	2,077	1,563	1,142
Salaries and benefits	15,490	14,625	12,449
Professional service fees	1,534	1,169	1,270
Transaction related expenses	50	3,101
Other	2,143	2,003	2,046
Total other expenses	30,336	29,885	23,876
Loss before income taxes and equity in net income of subsidiaries	11,018	6,766	7,929
(Benefit of) income taxes	5,539	2,283	2,333
NET INCOME	5,479	4,483	5,596
PARENT COMPANY
INCOME:
Interest income		2
Total income		2
EXPENSES:
Interest expense on borrowings	868	707	453
Salaries and benefits	698	900	876
Professional service fees	279	173	256
Transaction related expenses	50	443
Other	294	152	184
Total other expenses	2,189	2,375	1,769
Loss before income taxes and equity in net income of subsidiaries	(2,189)	(2,373)	(1,769)
(Benefit of) income taxes	(27)	(807)	(602)
Loss before equity in net income of subsidiaries	(2,162)	(1,566)	(1,167)
Equity in net income of subsidiaries	7,641	6,049	6,763
NET INCOME	$ 5,479	$ 4,483	$ 5,596