CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 44,627	$ 21,705	$ 5,873
Securities available for sale:
Unrealized holding gains (losses) on available for sale securities	(3,644)	9,054	(12,844)
Tax effect	1,391	(3,609)	4,952
Reclassification of gains on sales of securities recognized in earnings	0	(126)	(1,215)
Tax effect	0	50	468
Net of tax amount	(2,253)	5,369	(8,639)
Cash flow hedges:
Unrealized gains (losses) on cash flow hedges	(5,207)	(6,062)	4,305
Tax effect	2,088	2,623	(1,657)
Reclassification of amounts into interest expense from termination of interest rate swaps	161	0	0
Tax effect	(62)	0	0
Net of tax amount	(3,020)	(3,439)	2,648
Total other comprehensive income (loss)	(5,273)	1,930	(5,991)
Comprehensive income (loss)	$ 39,354	$ 23,635	$ (118)