CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 45,903	$ 35,166	$ 28,787
OTHER COMPREHENSIVE INCOME
Change in fair value of derivatives used for cash flow hedges	(125)	(514)	(1,082)
Reclassification amount for derivative losses realized in income	332	402	424
Change in unrealized gain (loss) on securities available for sale	(2,294)	(3,160)	2,021
Reclassification adjustment for gain on security available for sale recognized in earnings		(88)
Change in unrealized gain on security available for sale for which a portion of an other-than-temporary impairment has been recognized in earnings	(9)	(125)	475
Net unrealized gains (losses)	(2,096)	(3,485)	1,838
Tax effect	734	1,219	(644)
Total other comprehensive income (loss), net of tax	(1,362)	(2,266)	1,194
COMPREHENSIVE INCOME	$ 44,541	$ 32,900	$ 29,981