Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities
Net income	$ 60,929	$ 57,324
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	26,257	39,968
Depreciation and amortization	11,532	11,324
Benefit attributable to FDIC loss share	11,117	22,854
Accretion of acquired loans	(42,211)	(63,508)
Accretion income for lease financing	(1,409)	(1,304)
Amortization and accretion of investment securities, net
Amortization of Debt Discount (Premium)	7,708	7,530
Held to maturity amort	124	13
Gains on sales and calls of available-for-sale investment securities, net	(808)	(889)
Originations of loans held for sale	(399,140)	(193,212)
Proceeds from sales of loans, primarily mortgage loans sold in the secondary markets	414,385	214,996
Gains on sales of loans, net	(4,186)	(3,395)
Amortization of Intangible Assets	966	1,086
Net change in assets and liabilities
Interest receivable	(1,951)	(1,273)
Interest payable	(649)	(709)
Prepaid assets	(1,317)	(16,552)
Bank owned life insurance	(5,979)	(4,195)
Employee pension liability	6,289	4,303
Other assets and liabilities	(12,506)	(10,560)
NET CASH PROVIDED BY OPERATING ACTIVITIES	69,151	63,801
Proceeds from sales of securities
Available for sale	161,078	3,648
Proceeds from prepayments, calls, and maturities
Available for sale	406,055	503,105
Held to maturity	22,140	15,568
Other	0	12
Purchases of securities
Available for sale	(660,967)	(939,552)
Held to maturity	(66,120)	(36,461)
Other	(42)	(79)
Net decrease (increase) in loans and leases	(119,807)	28,850
Purchases of premises and equipment	(3,434)	(5,132)
NET CASH PROVIDED (USED) BY INVESTING ACTIVITIES	(261,097)	(430,041)
Financing Activities
Net increase in demand accounts	215,488	127,443
Net increase in savings and money market accounts	133,189	493,800
Net decrease in certificates and other time deposits	(164,445)	(548,310)
Net (decrease) increase in securities sold under agreements to repurchase	30,645	31,985
Net decrease in wholesale borrowings	(25,327)	(874)
Cash dividends - common	(34,710)	(34,616)
Restricted stock activity	(2,278)	(2,223)
NET CASH (USED) PROVIDED BY FINANCING ACTIVITIES	152,562	67,205
Increase (decrease) in cash and cash equivalents	(39,384)	(299,035)
Cash and cash equivalents at beginning of period	377,319	523,113
Cash and cash equivalents at end of period	337,935	224,078
Cash paid during period for:
Interest, net of amounts capitalized	17,442	27,741
Federal income taxes	$ 26,939	$ 2,615