Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income	$ 176,872	$ 126,510
Adjustments to reconcile net income to net cash provided and used by operating activities:
Provision for loan losses	38,982	23,634
Increase (Decrease) in Provision for Deferred Income Taxes	28,039	(16,824)
Depreciation, Depletion and Amortization	39,845	28,001
Benefit attributable to FDIC loss share	3,835	8,890
Accretion of acquired loans	(106,997)	(94,916)
Amortization and accretion of investment securities, net
Available for sale	7,114	15,141
Held to maturity	6,419	5,454
(Gains)/losses on sales and calls of available-for-sale investment securities, net	(150)	2,803
Originations of loans held for sale	(264,856)	(462,948)
Proceeds from sales of loans, primarily mortgage loans sold in the secondary markets	262,341	479,623
Gains on sales of loans, net	(5,375)	(10,805)
Amortization of Intangible Assets	8,802	5,700
Share-based Compensation	10,957	8,747
Net decrease (increase) in other assets	(5,245)	133,958
Net increase (decrease) in other liabilities	(12,147)	23,330
NET CASH PROVIDED BY OPERATING ACTIVITIES	188,436	276,298
Proceeds from sale of investment securities
Available for sale	13,008	2,179,728
Proceeds from Sale of Other Investments	32,486	0
Held to maturity	5,012	897
Proceeds from prepayments, calls, and maturities of investment securities
Available for sale	360,600	579,023
Held to maturity	262,560	151,626
Purchases of investment securities
Available for sale	(545,201)	(847,968)
Held to maturity	(344,606)	(1,559,733)
Other	(142)	(3,097)
Net (increase)/decrease in loans and leases	(886,035)	158,998
Purchases of premises and equipment	(45,618)	(27,237)
Sales of premises and equipment	26,114	181
Cash Acquired from Acquisition	0	189,009
NET CASH (USED) PROVIDED BY INVESTING ACTIVITIES	(1,121,822)	821,427
Financing Activities
Net increase in demand accounts	94,074	626,602
Net (decrease)/increase in savings and money market accounts	(191,103)	164,638
Net decrease in certificates and other time deposits	(69,661)	(337,887)
Net increase/(decrease) in securities sold under agreements to repurchase	421,755	(169,729)
Net increase/(decrease) in long-term debt	(74,451)	249,927
Net increase/(decrease) in wholesale borrowings	407,863	(655,345)
Net proceeds from issuance of preferred stock	0	96,550
Cash dividends - common	(78,987)	(69,938)
Cash dividends - preferred	(4,407)	(3,868)
Restricted stock activity	(4,191)	(9,422)
NET CASH PROVIDED (USED) BY FINANCING ACTIVITIES	500,892	(108,472)
(Decrease)/Increase in cash and cash equivalents	(432,494)	989,253
Cash and cash equivalents at beginning of year	917,822	258,014
Cash and cash equivalents at end of year	485,328	1,247,267
Cash paid during period for:
Interest	46,349	42,931
Federal income taxes	12,573	27,662
Cash Flows, non-cash transaction-Stock issued during period	0	925,272
Adjustments to Additional Paid in Capital, Warrant Issued	$ 0	$ 3,000