CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 53,387	$ 98,910	$ 87,544
Net Income (Loss) Available to Common Stockholders, Basic	53,387	98,910	84,401
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	5,250	8,000	15,000
Depreciation and amortization	13,000	17,392	15,108
Amortization of premiums and discounts on investment securities, net	2,622	3,923	2,480
(Gains) losses from sale of investment securities, net	(54)	119	(2,719)
Impairment of investment securities	0	154	0
Decrease (increase) in fair value of subordinated debentures	(2,111)	(683)	2,530
Bank owned life insurance policy income	(5,116)	(5,109)	(5,474)
Share-based compensation expense	3,309	3,513	3,808
Unconsolidated investment distributions (gains), net	2,634	826	(691)
Loans originated for resale	(177,012)	(237,115)	(144,846)
Proceeds from sale of loans originated for resale	191,556	240,904	148,936
Gain on sale of loans, net	(5,165)	(5,903)	(3,521)
(Gains) losses on sale of other real estate owned, net	(332)	1,287	261
Gains Loss on Sale of Property	(301)	0	1,000
Loss on debt extinguishment	64,888	0	2,633
Decrease in accrued interest receivable	1,396	2,465	2,838
Decrease in accrued interest payable	(1,578)	(4,528)	(5,413)
(Increase) decrease in other assets	(13,740)	13,096	12,952
Increase in other liabilities	29,424	29,857	8,775
Net cash provided by operating activities	162,057	167,108	141,201
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from maturities and repayments of investment securities held-to-maturity	25,499	31,937	49,821
Proceeds from maturities and repayments of investment securities available-for-sale	433,200	402,516	343,847
Proceeds from sale of investment securities available-for-sale	3,432	1,876	114,378
Purchase of investment securities available-for-sale	(612,024)	(455,459)	(519,699)
Proceeds from sale of other securities	4,614	2,158	10,097
Proceeds from sale of loans previously held for investment	3,764	2,735	7,104
(Increase) decrease in loans	(131,552)	(79,429)	90,249
Purchases of premises and equipment	(9,590)	(9,819)	(6,844)
Proceeds from the sale of other real estate owned	3,317	5,740	867
Claims from and surrender of bank owned life insurance	0	0	1,322
Proceeds from sale of buildings	868	0	5,536
Net cash (used in) provided by investing activities	(278,472)	(97,745)	96,678
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in transaction and savings accounts	321,512	202,812	193,669
Net decrease in time deposits	(184,499)	(142,066)	(378,023)
Net (decrease) increase in customer repurchase agreements	(8,329)	36,087	(45,477)
(Decrease) increase in short-term borrowings	(100,000)	100,000	(10,000)
Decrease in repurchase agreements	(25,000)	(10,000)	(80,000)
Net increase (decrease) in FHLB advances	73,597	(154,032)	(89,352)
Repayment of subordinated debentures	(65,206)	0	0
Proceeds from shares issued, share-based plans	3,428	3,565	3,270
Excess tax benefit (expense) on share-based plans	4	(191)	(197)
Issuance of common stock in private placement	0	0	84,543
Repayment of Series B Preferred stock	0	0	(150,000)
Repurchase of common stock warrant	0	0	(1,000)
Purchase of treasury stock	0	(67,531)	0
Cash dividends, common	(43,697)	(61,401)	(13,651)
Cash dividends, preferred	0	0	(2,521)
Net cash used in financing activities	(28,190)	(92,757)	(488,739)
Net decrease in cash and cash equivalents	(144,605)	(23,394)	(250,860)
Cash and cash equivalents at beginning of year	428,128	451,522	702,382
Cash and cash equivalents at end of year	283,523	428,128	451,522
SUPPLEMENTAL CASH FLOW INFORMATION
Interest	37,796	67,351	92,370
Taxes	$ 5,694	$ 22,281	$ 20,786