Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
FDIC loss share receivable	$ 44,982		$ 44,982		$ 61,475
Net cash proceeds received from FDIC loss share receivable			(7,442)	(70,014)
FDIC Indemnification Asset, Period Increase (Decrease)			1,747
FDIC Indemnification Asset, Accretion of Discount			(5,850)
Loan impairment recapture			(37)
Reductions for payments on Covered assets in excess of expected cash flows			(4,911)
Net income	11,033	8,766	21,073	14,951
Other comprehensive income, net of tax:
Unrealized gain (loss) on investment securities arising during the period, net of tax	(8,098)	1,482	(9,920)	3,278
Less reclassification adjustment for realized gain on sale of securities included in net income, net of tax	0	(86)	(417)	(740)
Total other comprehensive income (loss)	(8,098)	1,396	(10,337)	2,538
Total comprehensive income	$ 2,935	$ 10,162	$ 10,736	$ 17,489