CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows From Operating Activities:
Net income	$ 5,833	$ 5,539
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,307	2,081
Net gains on sales of securities	(308)	(949)
Stock-based compensation expense	499	$ 517
Provision for loan losses	(1,000)
Increase in income tax liability	378	$ 31
Increase in pension liability	1,005	1,210
Other operating activities, net	(1,552)	1,475
Net cash provided by operating activities	7,162	9,904
Cash Flows From Investing Activities:
Proceeds from sales of securities available-for-sale	19,039	45,198
Proceeds from maturities of securities available-for-sale	10,865	7,810
Purchase of securities available-for-sale	(25,102)	(19,297)
Net increase in loans	(25,560)	(14,187)
Increase in payments in excess of funding	(5,139)	(5,345)
Purchases of premises and equipment, net	(1,082)	(1,624)
Net cash (used in) provided by investing activities	(26,979)	12,555
Cash Flows From Financing Activities:
Net increase in noninterest-bearing demand deposits	2,458	1,556
Net decrease in interest-bearing demand and savings deposits	(44,046)	(614)
Net increase (decrease) in time deposits	949	(4,063)
Net decrease in accounts and drafts payable	(40,534)	(98,602)
Cash dividends paid	(2,484)	(2,412)
Purchase of common shares for treasury	(3,772)	(3,358)
Other financing activities, net	(580)	(786)
Net cash used in financing activities	(88,009)	(108,279)
Net decrease in cash and cash equivalents	(107,826)	(85,820)
Cash and cash equivalents at beginning of period	253,172	294,335
Cash and cash equivalents at end of period	145,346	208,515
Supplemental information:
Cash paid for interest	501	582
Cash paid for income taxes	$ 1,671	$ 1,942