PARENT COMPANY FINANCIAL INFORMATION - CONDENSED BALANCE SHEETS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
ASSETS:
Investment securities available-for-sale, at fair value	$ 278,472	$ 320,659
Other assets	10,288	11,358
TOTAL ASSETS	1,295,638	1,306,799
Liabilities	1,145,367	1,163,855
Shareholders' equity	150,271	142,944	$ 140,108	$ 125,695
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,295,638	1,306,799
Parent Company
ASSETS:
Cash on deposit with subsidiary	308	491
Investment securities available-for-sale, at fair value	919	893
Investment in subsidiaries	148,850	141,325
Other assets	194	235
TOTAL ASSETS	150,271	142,944
Liabilities	0	0
Shareholders' equity	150,271	142,944
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 150,271	$ 142,944