CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 7,800	$ 10,250
Securities available for sale:
Unrealized net gains on available for sale securities	7,275	4,322
Tax effect	(2,766)	(1,547)
Reclassification of (gains) on sales of securities	(130)	(1)
Tax effect	49	0
Net of tax amount	4,428	2,774
Cash flow hedges:
Unrealized net losses on cash flow hedges	(4,596)	(4,163)
Tax effect	1,728	1,605
Reclassification of amounts into interest expense from termination of interest rate swaps	112	0
Tax effect	(42)	0
Net of tax amount	(2,798)	(2,558)
Total other comprehensive income	1,630	216
Comprehensive income	$ 9,430	$ 10,466