Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 6,890	$ 12,552
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,090	4,071
Provision for loan and lease losses	6,331	637
Net amortization of premium on securities	6,659	7,604
Securities gains, net	(781)	(3,427)
(Increase) decrease in trading account securities	1,801	(314)
Stock based compensation	1,098	989
Loss on sale of OREO and other repossessed property	123	502
Loans originated for sale	(158,779)	(448,971)
Proceeds on sales of loans held for sale	155,526	463,340
Net gains on sales of loans held for sale	(4,944)	(9,912)
Decrease in accrued interest receivable	2,304	508
Increase in prepaid expenses	(359)	(398)
Decrease in accrued interest payable	(750)	(213)
Capitalization of mortgage servicing rights	(1,435)	(3,245)
Valuation adjustment on mortgage servicing rights	0	(496)
Other, net	(6,319)	(10,862)
NET CASH PROVIDED BY OPERATING ACTIVITIES	11,455	12,365
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of time deposits in other financial institutions	0	(3,605)
Proceeds from the sale of securities available for sale	355,288	91,840
Proceeds from the sale of other investments	2,005	955
Proceeds from the maturity of and principal paydowns on securities available for sale	34,446	65,461
Proceeds from the maturity of and principal paydowns on securities held to maturity	182	140
Proceeds from the maturity of and principal paydowns on other securities	2,041	0
Purchase of securities available for sale	(160,286)	(207,456)
Purchase of securities held to maturity	(16,784)	0
Purchase of other investments	(958)	(2)
Net (increase) decrease in loans and leases	(93,020)	25,014
Capital expenditures	(2,710)	(2,812)
Proceeds on sale of OREO and other repossessed assets	5,079	3,513
NET CASH PROVIDED (USED) BY INVESTING ACTIVITIES	125,283	(26,952)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in demand deposits and savings accounts	3,800	15,097
Net decrease in time deposit accounts	(6,935)	(18,301)
Net decrease in short-term borrowings	(152,506)	(21,932)
Proceeds from other borrowings	5,000	0
Repayments of other borrowings	(20,193)	(52,448)
Purchase of treasury stock	(606)	(258)
Proceeds from issuance of common stock	247	1,038
Excess tax benefits (liability) on exercised stock options	(138)	16
Dividends paid	(2,049)	(2,092)
NET CASH USED BY FINANCING ACTIVITIES	(173,380)	(78,880)
Net decrease in cash and cash equivalents	(36,642)	(93,467)
Cash and cash equivalents at beginning of year	125,270	168,054
CASH AND CASH EQUIVALENTS AT END OF PERIOD	88,628	74,587
Supplemental disclosures:
Cash paid for income/franchise taxes	980	3,375
Cash paid for interest	9,412	9,234
Loans transferred to OREO	3,036	4,843
Purchases of securities available for sale, accrued, not paid	0	59,877
Sales of securities available for sale, accrued, not settled	0	19,307
Purchase of securities held to maturity, accrued, not paid	$ 4,160	$ 0