Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities
Net income	$ 30,344	$ 27,560
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	14,061	22,349
Depreciation and amortization	5,692	5,738
Benefit attributable to FDIC loss share	4,899	15,179
Accretion of acquired loans	(21,484)	(34,698)
Accretion income for lease financing	(709)	(650)
Amortization and accretion of investment securities, net
Available for sale	3,760	3,909
Held to Maturity	13	0
Gains on sales and calls of available-for-sale investment securities, net	(260)	0
Originations of loans held for sale	(194,576)	(100,995)
Proceeds from sales of loans, primarily mortgage loans sold in the secondary markets	183,778	131,320
Gains on sales of loans, net	(1,572)	(2,428)
Amortization of Intangible Assets	483	543
Net change in assets and liabilities
Interest receivable	(3,398)	(415)
Interest payable	(565)	(726)
Prepaid assets	(1,428)	(131)
Bank owned life insurance	(3,056)	(1,183)
Employee pension liability	1,869	1,157
Other assets and liabilities	3,714	(20,725)
NET CASH PROVIDED BY OPERATING ACTIVITIES	21,565	45,804
Proceeds from sales of securities
Available for sale	94,865	0
Proceeds from prepayments, calls, and maturities
Available for sale	218,006	262,261
Held to maturity	1,591	5,992
Other	0	12
Purchases of securities
Available for sale	(443,434)	(600,170)
Held to maturity	(19,620)	(11,952)
Other	0	(79)
Net decrease (increase) in loans and leases	6,659	130,770
Purchases of premises and equipment	(1,090)	(502)
NET CASH PROVIDED (USED) BY INVESTING ACTIVITIES	(143,023)	(213,668)
Financing Activities
Net increase in demand accounts	162,576	81,727
Net increase in savings and money market accounts	147,138	377,031
Net decrease in certificates and other time deposits	(93,158)	(330,818)
Net (decrease) increase in securities sold under agreements to repurchase	62,495	175,410
Net decrease in wholesale borrowings	(26,851)	(961)
Cash dividends - common	(17,337)	(17,300)
Restricted stock activity	(739)	(1,557)
NET CASH (USED) PROVIDED BY FINANCING ACTIVITIES	234,124	283,532
Increase (decrease) in cash and cash equivalents	112,666	115,668
Cash and cash equivalents at beginning of period	377,319	523,113
Cash and cash equivalents at end of period	489,985	638,781
Cash paid during period for:
Interest, net of amounts capitalized	6,788	10,099
Federal income taxes	$ 0	$ 0