Consolidated Statements of Operations - USD ($)		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Interest and dividend income
Loans, including fees		$ 50,467,000	$ 60,568,000
Securities		854,000	2,082,000
Other		1,554,000	2,758,000
Total interest income		52,875,000	65,408,000
Interest expense
Deposits		6,988,000	13,128,000
Borrowings		0	89,000
Total interest expense		6,988,000	13,217,000
Net interest income		45,887,000	52,191,000
Provision for loan losses		55,000	3,825,000
Net interest income after provision for loan losses		45,832,000	48,366,000
Noninterest income
Deposit service charges and fees		3,196,000	3,844,000
Loan servicing fees	[1]	552,000	451,000
Mortgage brokerage and banking fees	[1]	98,000	149,000
Gain on sale of equity securities	[1]	0	295,000
Loss on disposal of other assets		(5,000)	(44,000)
Trust and insurance commissions and annuities income		961,000	844,000
Earnings on bank-owned life insurance	[1]	70,000	136,000
Other	[1]	494,000	497,000
Total noninterest income		5,366,000	6,172,000
Noninterest expense
Compensation and benefits		21,323,000	21,266,000
Office occupancy and equipment		7,361,000	7,075,000
Advertising and public relations		564,000	657,000
Information technology		3,194,000	3,272,000
Professional fees		1,356,000	1,307,000
Supplies, telephone, and postage		1,232,000	1,328,000
Amortization of intangibles		34,000	61,000
Nonperforming asset management		146,000	105,000
Operations of other real estate owned		17,000	52,000
FDIC insurance premiums		348,000	127,000
Other		2,863,000	3,391,000
Total noninterest expense		38,438,000	38,641,000
Income before income taxes		12,760,000	15,897,000
Income tax expense		3,597,000	4,225,000
Net income		$ 9,163,000	$ 11,672,000
Basic and diluted earnings per common share (in dollars per share)		$ 0.61	$ 0.75
Basic and diluted weighted average common shares outstanding (in shares)		14,951,656	15,594,883

[1] Not within the scope of ASC 606