CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 11,464	$ 12,037	$ 10,358	$ 22,502
Other comprehensive income, before tax:
Changes in unrealized gain (loss) on securities available-for-sale	11,113	(13,431)	17,133	(12,698)
Changes in unrealized (loss) gain on derivative hedges	(3,267)	6,155	1,266	7,598
Changes in unrealized gain on terminated swaps		236	3,237	471
Income taxes related to other comprehensive income:
Changes in unrealized gain (loss) on securities available-for-sale	(4,261)	5,077	(6,481)	4,758
Changes in unrealized (loss) gain on derivative hedges	1,322	(2,481)	(510)	(3,057)
Changes in unrealized gain on terminated swaps		(95)	(1,312)	(303)
Total other comprehensive income (loss)	4,907	(4,539)	13,333	(3,231)
Total comprehensive income	$ 16,371	$ 7,498	$ 23,691	$ 19,271