CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest and dividend income:
Loans, including fees		$ 23,791,000	$ 15,390,000	$ 46,080,000	$ 29,871,000
Taxable securities		3,630,000	2,863,000	7,213,000	5,551,000
Tax exempt securities		259,000	268,000	520,000	538,000
Interest-earning deposits		116,000	17,000	213,000	36,000
Total interest and dividend income		27,796,000	18,538,000	54,026,000	35,996,000
Interest expense:
Deposits		8,469,000	769,000	13,856,000	1,517,000
Borrowed funds		732,000	128,000	1,628,000	161,000
Total interest expense		9,201,000	897,000	15,484,000	1,678,000
Net interest income		18,595,000	17,641,000	38,542,000	34,318,000
Provision (credit) for credit losses	[1]	236,000	(1,744,000)	513,000	(2,889,000)
Net interest income after provision for credit losses		18,359,000	19,385,000	38,029,000	37,207,000
Non-interest income:
Changes in fair value of equity investments		(103,000)	(242,000)	(31,000)	(355,000)
Net gains on sales of loans held for sale		18,000	25,000	23,000	99,000
Net gains on sales of other real estate owned		14,000	46,000	14,000	46,000
Income from bank-owned life insurance		11,000	11,000	21,000	22,000
Other		751,000	709,000	1,433,000	1,649,000
Total non-interest income		5,447,000	5,319,000	10,870,000	10,982,000
Non-interest expenses:
Salaries and wages		6,704,000	6,056,000	13,487,000	12,279,000
Pension and other employee benefits		1,808,000	1,937,000	3,488,000	3,655,000
Other components of net periodic pension and postretirement benefits		(174,000)	(403,000)	(348,000)	(811,000)
Net occupancy		1,440,000	1,369,000	2,905,000	2,796,000
Furniture and equipment		461,000	410,000	879,000	847,000
Data processing		2,473,000	2,468,000	4,854,000	4,655,000
Professional services		602,000	664,000	1,042,000	1,185,000
Amortization of intangible assets		0	4,000	0	15,000
Marketing and advertising		170,000	184,000	502,000	460,000
Other real estate owned		1,000	8,000	39,000	(29,000)
FDIC insurance		586,000	284,000	1,083,000	598,000
Loan expense		308,000	176,000	540,000	391,000
Other		1,534,000	1,185,000	3,278,000	2,969,000
Total non-interest expenses		15,913,000	14,342,000	31,749,000	29,010,000
Income before income tax expense		7,893,000	10,362,000	17,150,000	19,179,000
Income tax expense		1,613,000	2,338,000	3,600,000	4,288,000
Net income		$ 6,280,000	$ 8,024,000	$ 13,550,000	$ 14,891,000
Weighted average shares outstanding, basic (in shares)		4,729	4,690	4,725	4,690
Weighted average shares outstanding, diluted (in shares)		4,729	4,690	4,725	4,690
Basic earnings per share (in dollars per share)		$ 1.33	$ 1.72	$ 2.87	$ 3.18
Diluted earnings per share (in dollars per share)		$ 1.33	$ 1.72	$ 2.87	$ 3.18
WMG fee income
Non-interest income:
Revenues from contracts with customer		$ 2,603,000	$ 2,628,000	$ 5,183,000	$ 5,385,000
Service charges on deposit accounts
Non-interest income:
Revenues from contracts with customer		959,000	936,000	1,900,000	1,800,000
Interchange revenue from debit card transactions
Non-interest income:
Revenues from contracts with customer		$ 1,194,000	$ 1,206,000	$ 2,327,000	$ 2,336,000

[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.