Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Repayments of Subordinated Debt	$ (2,000)	$ 0
Cash flows from operating activities:
Net income	21,073	14,951
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,360	1,278
Provision for loan losses	(2,464)	4,284
Deferred income taxes	1,267	(1,622)
Net amortization of debt securities	3,299	3,999
Amortization of intangible assets	930	975
Gain on sale of investment securities	(684)	(1,156)
Mortgage loans originated for sale	(34,645)	(47,839)
Proceeds from mortgage loans sold	39,474	49,158
Gain on sale of other real estate	(1,090)	(2,413)
Gain on state tax credits, net	(906)	(924)
Share-based compensation	1,788	1,124
Valuation adjustment on other real estate	754	1,814
Net accretion of loan discount and indemnification asset	(8,725)	(5,011)
Changes in:
Accrued interest receivable	(737)	(472)
Accrued interest payable	(238)	(303)
Prepaid FDIC insurance	2,607	1,252
Other assets	(11,002)	(2,710)
Other liabilities	(5,683)	9,981
Net cash provided by operating activities	6,378	26,366
Cash flows from investing activities:
Net increase in loans	65,771	3,340
Net cash proceeds received from FDIC loss share receivable	7,442	70,014
Proceeds from the sale of debt and equity securities, available for sale	122,894	110,876
Proceeds from the maturity of debt and equity securities, available for sale	50,468	63,233
Proceeds from the redemption of other investments	15,689	4,498
Proceeds from the sale of state tax credits held for sale	8,126	4,134
Proceeds from the sale of other real estate	9,925	34,327
Payments for the purchase/origination of:
Available for sale debt and equity securities	(23,700)	(179,285)
Other investments	(20,858)	(4,481)
Payments to Acquire Life Insurance Policies	(20,000)	0
State tax credits held for sale	(1,365)	(18,347)
Fixed assets	(834)	(3,904)
Net cash provided by investing activities	213,558	84,405
Cash flows from financing activities:
Net increase in noninterest-bearing deposit accounts	(68,527)	38,477
Net decrease in interest-bearing deposit accounts	(222,091)	(225,558)
Proceeds from Federal Home Loan Bank advances	459,000	91,500
Repayments of Federal Home Loan Bank advances	(348,000)	(103,000)
Net decrease in other borrowings	(55,158)	(22,066)
Cash dividends paid on common stock	(1,904)	(1,871)
Excess tax benefit of share-based compensation	52	0
Payments for Repurchase of Preferred Stock and Preference Stock	1,006	0
Cash dividends paid on preferred stock	0	(875)
Proceeds from the issuance of equity instruments	2,264	456
Net cash used in financing activities	(237,970)	(222,937)
Net decrease in cash and cash equivalents	(18,034)	(112,166)
Cash and cash equivalents, beginning of period	116,370	188,143
Cash and cash equivalents, end of period	98,336	75,977
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	10,002	12,179
Cash paid during the period for income taxes	16,936	10,378
Noncash transactions:
Transfer to other real estate owned in settlement of loans	10,908	13,481
Sales of other real estate financed	2,881	2,673
Repayments of Long-term Debt	$ 600	$ 0