CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Cash Flows From Operating Activities:
Net income	$ 8,258	$ 7,071
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,912	2,978
Gains on sales of securities	0	(48)
Stock-based compensation expense	1,090	693
Provision for (release of) credit losses	230	(600)
Increase in current income tax liability	1,911	1,355
(Decrease) increase in pension liability	(640)	336
Increase in accounts receivable	(726)	(237)
Other operating activities, net	1,688	5,156
Net cash provided by operating activities	14,723	16,704
Cash Flows From Investing Activities:
Proceeds from sales of securities available-for-sale	0	2,991
Proceeds from maturities of securities available-for-sale	16,194	47,113
Purchase of securities available-for-sale	(156,597)	(125,467)
Net (increase) decrease in loans	(16,500)	3,478
Purchase of bank-owned life insurance	(3,987)	0
Increase in payments in advance of funding	(38,195)	(21,912)
Purchases of premises and equipment, net	(2,002)	(900)
Net cash used in investing activities	(201,087)	(94,697)
Cash Flows From Financing Activities:
Net increase (decrease) in noninterest-bearing demand deposits	39,177	(68,645)
Net (decrease) increase in interest-bearing demand and savings deposits	(80,002)	21,373
Net decrease in time deposits	(3,743)	(449)
Net (decrease) increase in accounts and drafts payable	(83,054)	60,905
Cash dividends paid	(3,832)	(3,886)
Purchase of common shares for treasury	(5,086)	(1,228)
Other financing activities, net	(575)	(946)
Net cash (used in) provided by financing activities	(137,115)	7,124
Net decrease in cash and cash equivalents	(323,479)	(70,869)
Cash and cash equivalents at beginning of period	514,928	670,528	$ 670,528
Cash and cash equivalents at end of period	191,449	599,659	$ 514,928
Supplemental information:
Cash paid for interest	216	311
Cash paid for income taxes	$ 109	$ 134