CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating activities
Net income	$ 17,621	$ 15,104
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	2,060	(1,033)
Depreciation and amortization	3,208	3,178
Stock-based compensation expense	858	810
Pension expense (income)	(300)	(253)
Net amortization of premiums/accretion of discounts on investment securities	1,741	1,730
Gains on sales of investment securities	0	(50)
Originations of loans held for sale	(59,541)	(18,297)
Net gains from sales of loans held for sale	(1,464)	(396)
Proceeds from sales of loans held for sale	56,816	19,012
Deferred income taxes	2,313	0
Decrease (increase) in interest receivable	(2,354)	(2,663)
Decrease (increase) in cash surrender value of life insurance	(480)	(418)
Decrease (increase) in prepaid expenses	(919)	(892)
Decrease (increase) in indemnification asset	(2,269)	(6,088)
(Decrease) increase in accrued expenses	(7,396)	(7,760)
(Decrease) increase in interest payable	0	(130)
Other	670	(906)
Net cash provided by (used in) operating activities	15,102	13,124
Investing activities
Proceeds from sales of securities available-for-sale	25	92,573
Proceeds from calls, paydowns and maturities of securities available-for-sale	26,103	26,247
Purchases of securities available-for-sale	(55,005)	(61,081)
Proceeds from calls, paydowns and maturities of securities held-to-maturity	27,155	22,584
Purchases of securities held-to-maturity	0	67,350
Net decrease (increase) in interest-bearing deposits with other banks	(2,720)	16,149
Net decrease (increase) in loans and leases	8,883	(68,533)
Proceeds from disposal of other real estate owned	4,557	12,082
Purchases of premises and equipment	(2,255)	(1,567)
Net cash provided by (used in) investing activities	6,743	(28,896)
Financing activities
Net (decrease) increase in total deposits	58,848	(17,118)
Net (decrease) increase in short-term borrowings	(69,750)	86,344
Payments on long-term borrowings	(532)	(610)
Cash dividends paid on common stock	(9,745)	(8,570)
Treasury stock purchase	0	(697)
Proceeds from exercise of stock options	124	64
Excess tax benefit on share-based compensation	99	254
Net cash provided by (used in) financing activities	(20,956)	59,667
Cash and due from banks:
Net increase (decrease) in cash and due from banks	889	43,895
Cash and due from banks at beginning of period	110,122	117,620
Cash and due from banks at end of period	$ 111,011	$ 161,515