Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Cash Flows From Operating Activities
Net Income	$ 24,361		$ 19,844
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan and lease losses	1,209	[1]	1,922	[1]
Stock-based compensation expense	862		680
Depreciation, amortization and accretion	7,735		8,972
Net realized gain on sale of securities	721		223
Net realized gain on sale of other assets	(306)		8
Net realized (gain) loss on sale of other real estate owned	(1,736)		(1,659)
Write-down on other real estate owned	197		1,580
Net change in:
Loans held for sale	(2,429)		735
Interest receivable	(1,286)		(1,394)
Interest payable	(79)		(13)
Other assets	(4,531)		5,714
Other liabilities	3,680		(649)
Net cash provided by operating activities	26,956		35,517
Cash Flows From Investing Activities
Payments for (Proceeds from) Loans and Leases	(12,443)		(64,065)
Purchases of securities available for sale	(11,362)		(10,787)
Purchases of premises and equipment	(4,032)		(4,930)
Proceeds from FDIC reimbursement on loss-sharing asset	1,138		539
Proceeds from sales of securities available for sale	57,243		6,441
Proceeds from principal repayments and maturities of securities available for sale	54,451		36,530
Proceeds from Sales of Assets, Investing Activities	7,745		337
Proceeds from sales of other real estate and other personal property owned	5,067	[2]	11,205	[2]
Payment to FDIC Related to Loss-Sharing Asset	(479)		(2,217)
Net cash provided by (used in) investing activities	97,328		(26,947)
Cash Flows From Financing Activities
Net increase (decrease) in deposits	150,243		84,941
Proceeds from Federal Home Loan Bank advances	624,000		587,000
Proceeds from Federal Reserve Bank borrowings	0		50
Proceeds from exercise of stock options	428		405
Repayment of Federal Home Loan Bank advances	(804,000)		(617,000)
Repayment of Federal Reserve Bank borrowings	0		(50)
Payment of common stock dividends	(17,236)		(6,154)
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	(31)		(12)
Repayments of Subordinated Debt	8,248		0
Purchase and retirement of common stock	781		522
Net cash used by financing activities	(63,853)		48,658
Increase (Decrease) in cash and cash equivalents	60,431		57,228
Cash and cash equivalents at beginning of period	188,170		179,561
Cash and cash equivalents at end of period	248,601		236,789
Supplemental Information:
Cash paid for interest	1,132		999
Cash paid for income tax	13		10
Non-cash investing and financing activities
Loans transferred to other real estate owned	4,692		5,751
Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net	$ (8,228)		$ 0

[1] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjNlZWQyMzNmYzU4NTQ3YjE4YmZiNDE3NjBhNjc1ZWQ4fFRleHRTZWxlY3Rpb246QTFEODJCNjcwRTEwQ0JFQ0Q1OEYwNERBMjg2MDZBQzAM}

[2] Reclassified to conform to the current period’s presentation. The reclassification was limited to removing the separate line item for “Sales of covered other real estate owned” and including the prior period activity in the line item for sales of other real estate and other personal property owned.