CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 25,423	$ 119,339	$ 94,149
OTHER COMPREHENSIVE INCOME
Change in fair value of derivatives used for cash flow hedges	170
Unrealized gains (losses) on securities available for sale	(4,747)	1,043	(893)
Change in unrealized gains (losses) on securities available for sale for which a portion of an other-than-temporary impairment has been recognized in earnings	742	1,279	(145)
Reclassification adjustment for gains recognized in earnings		(56)	(2,285)
Reclassification adjustment for other-than-temporary impairment recognized in earnings			279
Net unrealized gains (losses)	(3,835)	2,266	(3,044)
Tax effect	1,344	(793)	1,065
Net of tax	(2,491)	1,473	(1,979)
COMPREHENSIVE INCOME	$ 22,932	$ 120,812	$ 92,170