Consolidated Statements of Income - USD ($)		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
INTEREST AND DIVIDEND INCOME:
Interest income from loans owned for directors, executive officers and their related parties		$ 92,282,000	$ 79,423,000
Securities available-for-sale		10,428,000	11,376,000
FHLB and FRB dividends		1,085,000	727,000
Other interest income		416,000	89,000
Total interest and dividend income		104,211,000	91,615,000
INTEREST EXPENSE:
Deposits		27,838,000	17,857,000
FHLB advances and other borrowings		10,211,000	8,562,000
Other long-term debt		2,724,000	2,719,000
Total interest expense		40,773,000	29,138,000
NET INTEREST INCOME		63,438,000	62,477,000
Provision for credit losses	[1]	518,000	1,456,000
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES		62,920,000	61,021,000
NONINTEREST INCOME:
Appreciation in cash surrender value of life insurance		2,054,000	1,466,000
Net loss on sale of available-for-sale securities		(141,000)	(222,000)
Other noninterest income		1,664,000	2,227,000
Total noninterest income		17,776,000	22,722,000
NONINTEREST EXPENSE:
Salaries and employee benefits		39,715,000	42,973,000
Occupancy and equipment expense		8,531,000	8,072,000
Data processing		6,209,000	5,943,000
Software subscriptions		2,127,000	2,064,000
Advertising		1,312,000	1,375,000
Amortization		1,391,000	1,587,000
Loan costs		1,567,000	1,887,000
Federal Deposit Insurance Corporation ("FDIC") insurance premiums		1,165,000	1,150,000
Professional and examination fees		1,941,000	1,922,000
Other noninterest expense		5,348,000	5,116,000
Total noninterest expense		69,306,000	72,089,000
INCOME BEFORE PROVISION FOR INCOME TAXES		11,390,000	11,654,000
Income Tax Expense (Benefit)		1,612,000	1,598,000
NET INCOME		$ 9,778,000	$ 10,056,000
BASIC EARNINGS PER COMMON SHARE (in dollars per share)		$ 1.25	$ 1.29
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)		$ 1.24	$ 1.29
Deposit Account [Member]
NONINTEREST INCOME:
Noninterest income revenue		$ 1,645,000	$ 1,757,000
Bank Servicing [Member]
NONINTEREST INCOME:
Noninterest income revenue		10,014,000	14,970,000
Debit Card [Member]
NONINTEREST INCOME:
Noninterest income revenue		$ 2,540,000	$ 2,524,000

[1] Provision for credit losses for the year ended December 31, 2023; provision for loan losses for the year ended December 31, 2022.