Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows From Operating Activities
Net Income	$ 26,767	$ 20,801
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan and lease losses and losses on covered loans	268	35,623
Stock-based compensation expense	1,280	908
Depreciation, amortization and accretion	22,527	30,478
Net realized gain on sale of securities	462	62
Net realized gain on sale of other assets	(73)	(41)
Net realized (gain) loss on sale of other real estate owned	(6,291)	(6,277)
Write-down on other real estate owned	664	5,812
Net change in:
Loans held for sale	413	60
Interest receivable	(8,850)	(273)
Interest payable	(12)	(275)
Other assets	6,285	(7,424)
Other liabilities	(12,662)	(4,945)
Net cash provided by operating activities	29,854	74,385
Cash Flows From Investing Activities
Loans originated and acquired, net of principal collected	194,322	63,362
Purchases of securities available for sale	(162,018)	(87,346)
Purchases of premises and equipment	(8,071)	(11,630)
Proceeds from FDIC reimbursement on loss-sharing asset	6,387	34,313
Proceeds from sales of securities available for sale	166,881	3,845
Proceeds from principal repayments and maturities of securities available for sale	167,736	108,517
Proceeds from Sale of Other Assets	806	9
Proceeds from sales of covered other real estate owned	13,814	18,381
Proceeds from sales of other real estate and other personal property owned	6,076	11,899
Capital improvements on other real estate properties	0	(11)
Payments to Acquire Intangible Assets	(913)	0
Net cash acquired in business combinations	(154,170)	0
Payments for (Proceeds from) Other Investing Activities	(1,026)	0
Net cash provided by (used in) investing activities	(158,820)	14,615
Cash Flows From Financing Activities
Net increase (decrease) in deposits	(177,631)	15,288
Proceeds from Federal Home Loan Bank advances	756,100	0
Purchase and retirement of common stock	391	0
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	(10)	0
Repayments of Subordinated Debt	(51,000)	0
Proceeds from Federal Reserve Bank borrowings	50	0
Proceeds from exercise of stock options	774	314
Repayment of Federal Home Loan Bank advances	(711,000)	(5,727)
Repayment of Federal Reserve Bank borrowings	(50)	0
Payment of common stock dividends	(9,093)	(23,351)
Net cash used by financing activities	(192,251)	(13,476)
Increase (Decrease) in cash and cash equivalents	(321,217)	75,524
Cash and cash equivalents at beginning of period	513,926	294,289
Cash and cash equivalents at end of period	192,709	369,813
Non-cash investing activities
Loans transferred to other real estate owned	9,307	11,789
Assets acquired in FDIC-assisted acquisitions (excluding cash and cash equivalents)	2,523,842	0
Stock Issued	276,181	0
Liabilities assumed in FDIC-assisted acquisitions	2,093,491	0
Cash paid for interest	2,155	5,337
Cash paid for income tax	$ 9,589	$ 0