CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Interest and dividend income:
Loans, including fees		$ 22,289,000	$ 14,481,000
Taxable securities		3,583,000	2,688,000
Tax exempt securities		261,000	270,000
Interest-earning deposits		97,000	19,000
Total interest and dividend income		26,230,000	17,458,000
Interest expense:
Deposits		5,387,000	748,000
Securities sold under agreements to repurchase		0	0
Borrowed funds		896,000	33,000
Total interest expense		6,283,000	781,000
Net interest income		19,947,000	16,677,000
Provision (credit) for credit losses	[1]	277,000	(1,145,000)
Net interest income after provision for credit losses		19,670,000	17,822,000
Non-interest income:
Changes in fair value of equity investments		72,000	(113,000)
Net gains on sales of loans held for sale		5,000	74,000
Income from bank-owned life insurance		10,000	11,000
Other		682,000	940,000
Total non-interest income		5,423,000	5,663,000
Non-interest expenses:
Salaries and wages		6,783,000	6,223,000
Pension and other employee benefits		1,680,000	1,718,000
Other components of net periodic pension and postretirement benefits		(174,000)	(408,000)
Net occupancy		1,465,000	1,427,000
Furniture and equipment		418,000	437,000
Data processing		2,381,000	2,187,000
Professional services		440,000	521,000
Legal accruals and settlements		0	0
Amortization of intangible assets		0	11,000
Marketing and advertising		332,000	276,000
Other real estate owned		38,000	(37,000)
FDIC insurance		497,000	314,000
Loan expense		232,000	215,000
Merger and acquisition related expenses		0	0
Other		1,744,000	1,784,000
Total non-interest expenses		15,836,000	14,668,000
Income before income tax expense		9,257,000	8,817,000
Income tax expense		1,987,000	1,950,000
Net income		$ 7,270,000	$ 6,867,000
Weighted average shares outstanding, basic (in shares)		4,721	4,689
Weighted average shares outstanding, diluted (in shares)		4,721	4,689
Basic earnings per share (in dollars per share)		$ 1.54	$ 1.46
Diluted earnings per share (in dollars per share)		$ 1.54	$ 1.46
WMG fee income
Non-interest income:
Revenues from contracts with customer		$ 2,580,000	$ 2,757,000
Service charges on deposit accounts
Non-interest income:
Revenues from contracts with customer		941,000	864,000
Interchange revenue from debit card transactions
Non-interest income:
Revenues from contracts with customer		$ 1,133,000	$ 1,130,000

[1] Effective January 1, 2023, the allowance calculation is based upon Current Expected Credit loss methodology. Prior to January 1, 2023, the allowance calculation was based upon incurred loss methodology. Refer to Note 1 for further discussion.