CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows From Operating Activities:
Net income	$ 15,847	$ 15,601
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,366	5,822
Net (gains) losses on sales of securities	(19)	42
Stock-based compensation expense	1,417	1,477
Provision for loan losses	250
(Decrease) increase in income tax liability	(1,054)	1,637
Increase in pension liability	2,590	2,463
(Increase) decrease in accounts receivable	(1,351)	3,473
Other operating activities, net	3,327	(5,419)
Net cash provided by operating activities	26,373	25,096
Cash Flows From Investing Activities:
Proceeds from sales of securities available-for-sale	4,648	58,520
Proceeds from maturities of securities available-for-sale	10,161	17,374
Purchase of securities available-for-sale		(60,108)
Net increase in loans	(68,934)	(28,620)
Increase in payments in excess of funding	(13,571)	(14,733)
Purchases of premises and equipment, net	(1,202)	(2,800)
Net cash used in investing activities	(68,898)	(30,367)
Cash Flows From Financing Activities:
Net decrease in noninterest-bearing demand deposits	(54,176)	(16,185)
Net decrease in interest-bearing demand and savings deposits	(32,058)	(40,588)
Net increase in time deposits	937	4,422
Net increase (decrease) in accounts and drafts payable	96,033	(36,538)
Cash dividends paid	(7,548)	(6,144)
Purchase of common shares for treasury	(7,799)	(1,408)
Other financing activities, net	(284)	(195)
Net cash used in financing activities	(4,895)	(96,636)
Net decrease in cash and cash equivalents	(47,420)	(101,907)
Cash and cash equivalents at beginning of period	230,933	228,110
Cash and cash equivalents at end of period	183,513	126,203
Supplemental information:
Cash paid for interest	2,496	1,459
Cash paid for income taxes	$ 4,545	$ 1,445