CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 14,819	$ 12,174	$ 12,446
Other comprehensive income (loss):
Unrealized gains (losses) arising during the period	334	(3,446)	(1,779)
Reclassification of realized amount	0	(4)	0
Net change in unrealized gain (loss) on securities	334	(3,450)	(1,779)
Less tax impact	118	(1,207)	(605)
Other comprehensive income (loss)	216	(2,243)	(1,174)
Comprehensive income	$ 15,035	$ 9,931	$ 11,272