Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 21,206	$ 29,483
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,681	1,936
Provision for loan losses	3,398	(305)
Deferred income taxes	6,458	180
Net amortization of debt securities	2,885	4,579
Amortization of intangible assets	965	1,540
Gain on sale of investment securities	0	(1,295)
Mortgage loans originated for sale	(52,475)	(64,463)
Proceeds from mortgage loans sold	49,811	70,884
Gain on sale of other real estate	(1,514)	(1,562)
Gain on state tax credits, net	(860)	(1,214)
Excess tax benefit of share-based compensation	(101)	0
Share-based compensation	2,205	3,136
Valuation adjustment on other real estate	618	962
Net accretion of loan discount and indemnification asset	731	(13,853)
Changes in:
Accrued interest receivable	(223)	600
Accrued interest payable	(103)	(397)
Prepaid FDIC insurance	0	2,607
Other assets	(2,984)	(21,322)
Other liabilities	(1,381)	516
Net cash provided by operating activities	30,317	12,012
Cash flows from investing activities:
Net (increase) decrease in loans	(133,782)	36,955
Net cash proceeds received from FDIC loss share receivable	6,487	9,654
Proceeds from the sale of debt and equity securities, available for sale	0	159,604
Proceeds from the maturity of debt and equity securities, available for sale	35,503	69,017
Proceeds from the redemption of other investments	18,637	26,695
Proceeds from the sale of state tax credits held for sale	4,099	8,126
Proceeds from the sale of other real estate	14,435	15,303
Payments for the purchase/origination of:
Available for sale debt and equity securities	(53,664)	(60,732)
Other investments	(21,324)	(28,143)
Bank owned life insurance	0	(20,000)
State tax credits held for sale	0	(1,365)
Fixed assets	(1,556)	(1,122)
Net cash (used in) provided by investing activities	(131,165)	213,992
Cash flows from financing activities:
Net increase/(decrease) in noninterest-bearing deposit accounts	42,118	(67,242)
Net decrease in interest-bearing deposit accounts	(67,307)	(143,691)
Proceeds from Federal Home Loan Bank advances	799,600	743,000
Repayments of Federal Home Loan Bank advances	(729,600)	(703,000)
Repayments of notes payable	(4,500)	(900)
Repayments of subordinated debentures	0	(2,000)
Net decrease in other borrowings	(22,709)	(66,005)
Cash dividends paid on common stock	(3,130)	(2,924)
Excess tax benefit of share-based compensation	101	83
Payments for the repurchase of common stock warrants	0	(1,006)
Employee stock issuances, net	(482)	2,551
Net cash provided by (used in) financing activities	14,091	(241,134)
Net decrease in cash and cash equivalents	(86,757)	(15,130)
Cash and cash equivalents, beginning of period	210,569	116,370
Cash and cash equivalents, end of period	123,812	101,240
Supplemental disclosures of cash flow information:
Interest	10,920	14,470
Income taxes	8,998	24,348
Noncash transactions:
Transfer to other real estate owned in settlement of loans	7,468	21,116
Sales of other real estate financed	5,102	5,564
Issuance of common stock from Trust Preferred Securities conversion	$ 5,002	$ 20,443