CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 35,166	$ 28,787	$ 25,423
OTHER COMPREHENSIVE INCOME
Change in fair value of derivatives used for cash flow hedges	(514)	(1,082)	147
Reclassification adjustment for derivative losses realized in income	402	424	23
Change in unrealized gain (loss) on securities available for sale	(3,160)	2,021	(4,747)
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	(125)	475	742
Net unrealized gains (losses)	(3,485)	1,838	(3,835)
Tax effect	1,219	(644)	1,344
Total other comprehensive income (loss), net of tax	(2,266)	1,194	(2,491)
COMPREHENSIVE INCOME	$ 32,900	$ 29,981	$ 22,932