Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating Activities:
Net income	$ 59,312	$ 41,560
Adjustment to reconcile net income to net cash provided by operating activities:
Provision for credit losses	0	7,000
Depreciation and amortization	13,569	13,316
Deferred taxes	(1,939)	(3,002)
Amortization of intangibles	2,206	1,465
Amortization of debt securities premium and discount, net	6,724	7,736
Share-based compensation expense	1,089	1,522
Security losses (gains), net	(1)	(22)
Net deferred loan origination expense	(3,427)	(3,843)
Excess tax benefit from exercise of stock options	1,216	19
Increase in interest receivable	1,453	2,931
Decrease in interest payable	(910)	(910)
Realized gain on mortgages sold	(15,477)	(29,260)
Proceeds from mortgages sold	496,915	911,537
Origination of mortgages held for sale	(488,120)	(860,847)
Loss on other real estate owned, net	5,587	3,185
Increase in bank-owned life insurance	(3,733)	(3,895)
Decrease in prepaid pension asset	2,829	13,733
Other, net	17,352	(32,664)
Net cash provided by operating activities	94,645	69,561
Investing activities:
Proceeds from calls and maturities of available-for-sale securities	275,038	247,705
Purchases of available-for-sale securities	(125,055)	(521,600)
Net (increase) decrease in loans and leases	(395,544)	(60,162)
Purchases of premises and equipment	(8,905)	(10,253)
Proceeds from sale of premises and equipment	219	3,181
Purchase of bank-owned life insurance, net of proceeds from death benefits	1,206
Purchase Knox	(5,060)
Proceeds from sale of other real estate owned, net	17,348	23,174
Other, net	(12)	(6)
Net cash used in investing activities	(240,765)	(317,961)
Financing activities:
Net increase in deposits	(103,422)	(126,528)
Net increase (decrease) in short-term debt and other liabilities	(26,590)	(31,747)
Advances of long-term debt	8,000
Repayment of advances of long-term debt	(3,879)
Redemption of Junior Subordinated Debt	(8,248)
Issuance of common stock	9,461	225
Repurchase of common stock	(675)
Excess tax benefit from exercise of stock options	(1,216)	(19)
Payment of cash dividends	(9,589)	(1,890)
Net cash (used in) provided by financing activities	(136,158)	(159,959)
Increase (decrease) in cash and cash equivalents	(282,278)	(408,359)
Cash and cash equivalents at beginning of period	528,423	1,203,614
Cash and cash equivalents at end of period	$ 246,145	$ 795,255