Consolidated Condensed Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities:
Net Income	$ 59,749	$ 59,773
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,016	3,500
Other than temporary impairment on investment securities	0	17
Amortization (accretion) of Deferred Loan Origination Fees, Net	2,815	2,547
Provision for depreciation	5,489	5,366
Amortization of core deposit intangibles	0	337
Accretion (Amortization) of Discounts and Premiums, Investments	(129)	11
Amortization of prepayment penalty on long term debt	3,681	3,618
Payments for Loan Originations, Loans to be Sold in Secondary Market	(96,384)	(283,919)
Proceeds From Loan Sales	93,335	308,087
Gain (Loss) on Sales of Loans, Net	(1,906)	(4,996)
Share-based Compensation	355	0
OREO valuation adjustments	2,026	2,229
Bank owned life insurance income	(3,708)	(3,767)
Realized net investment security gains	(20)	0
Changes in assets and liabilities:
Decrease in other assets	1,732	17,763
Increase (decrease) in other liabilities	2,939	(1,944)
Net cash provided by operating activities	70,990	108,622
Investing activities:
Proceeds from sales of available-for-sale securities	488	0
Proceeds from sales of Federal Home Loan Bank stock	8,946	0
Proceeds from maturity of:
Available-for-sale securities	71,968	365,637
Held-to-maturity securities	31,712	207,393
Purchases of:
Available-for-sale securities	(127,522)	(432,895)
Payments to Acquire Other Investments	(1,350)	0
Net loan originations, portfolio loans	(181,197)	(158,430)
Payments for Affordable Housing Programs	(8,184)	(8,023)
Purchases of bank owned life insurance	0	(4,600)
Purchases of premises and equipment, net	(4,865)	(7,731)
Net cash used in investing activities	(210,004)	(38,649)
Financing activities:
Net increase in deposits	339,010	134,660
Net increase (decrease) in short-term borrowings	26,689	(71,663)
Proceeds from issuance of long-term debt	50,000	50,000
Payments for Repurchase of Common Stock	1,485	0
Repayment of long-term debt	(75,537)	(25,940)
Cash dividends paid on common stock and preferred stock	(43,407)	(43,461)
Net cash provided by financing activities	295,270	43,596
Increase in cash and cash equivalents	156,256	113,569
Cash and cash equivalents at beginning of year	147,030	201,305
Cash and cash equivalents at end of period	303,286	314,874
Supplemental disclosures of cash flow information:
Cash paid for interest	29,674	32,019
Cash paid for income taxes	18,620	12,000
Non cash activities:
Loans transferred to Other Real Estate Owned	7,825	17,591
Transfer of Portfolio Loans and Leases to Held-for-sale	$ 21,985	$ 0