Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 22,819	$ 18,931
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,432	2,541
Net (gain) loss on sale of other real estate owned	(2,482)	36
Writedown of other real estate owned	998	1,098
Net gain on sale of building held for sale	(1,556)	0
Provision for loan losses	3,000	4,000
Deferred tax (benefit) expense	1,508	(27)
Stock based compensation expense	173	171
Net gain on sale of bank premises and equipment	(1)	(16)
Net gain on sales and calls of securities	(6)	(1,434)
Decrease (increase) in taxes receivable	1,265	(1,329)
Decrease (increase) in interest receivable	(152)	(332)
Decrease in interest payable	(2)	(24)
Decrease (increase) in other assets	(2,561)	6,272
Increase (decrease) in accrued expenses and other liabilities	(1,009)	1,610
Total adjustments	1,607	12,566
Net cash provided by operating activities	24,426	31,497
Cash flows from investing activities:
Proceeds from sales and calls of securities available for sale	180,623	323,974
Proceeds from calls and maturities of held to maturity securities	8,289	44,637
Purchases of securities available for sale	(118,755)	(329,374)
Proceeds from maturities of securities available for sale	9,000	10,050
Purchases of Federal Reserve Bank and Federal Home Loan Bank stock	(451)	(868)
Net increase in loans	(107,000)	(89,783)
Net proceeds from sale of building held for sale	4,745	0
Proceeds from dispositions of other real estate owned	7,230	4,978
Proceeds from dispositions of bank premises and equipment	53	16
Purchases of bank premises and equipment	(4,160)	(4,603)
Net cash used in investing activities	(20,426)	(40,973)
Cash flows from financing activities:
Net increase in deposits	68,116	88,683
Net (decrease) increase in short-term borrowings	(22,646)	16,479
Proceeds from sale of treasury stock	1,439	1,468
Dividends paid	(12,405)	(12,338)
Net cash provided by financing activities	34,504	94,292
Net increase in cash and cash equivalents	38,504	84,816
Cash and cash equivalents at beginning of period	583,044	544,016
Cash and cash equivalents at end of period	621,548	628,832
Cash paid during the year for:
Interest paid	7,468	7,680
Income taxes paid	13,142	12,691
Other non cash items:
Transfer of loans to other real estate owned	5,880	7,752
Transfer of other real estate owned to fixed assets	568	0
Increase in dividends payable	14	18
Change in unrealized gain (loss) on securities available for sale - gross of deferred taxes	18,878	(30,688)
Change in deferred tax effect on unrealized gain (loss) on securities available for sale	(7,543)	12,237
Amortization of net actuarial loss and prior service credit on pension and postretirement plans	(236)	102
Change in deferred tax effect of amortization of net actuarial loss and prior service credit	$ 93	$ (40)