Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities
Net income	$ 6,820,000	$ 6,135,000	$ 2,496,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,256,000	1,255,000	1,337,000
Provision for loan losses	346,000	507,000	520,000
(Gain) loss on interest rate swaps, net	4,000	3,000	(12,000)
Deferred tax expense	124,000	221,000	1,356,000
Gain on calls of securities available for sale	(79,000)	(838,000)
Amortization of security premiums, net	450,000	357,000	215,000
Amortization of unearned compensation, net of forfeiture	250,000	214,000	126,000
Issuance of vested restricted stock	90,000	90,000	90,000
Bank-owned life insurance income	(366,000)	(361,000)	(362,000)
Originations of mortgage loans held for sale	(5,379,000)	(2,042,000)	(440,000)
Proceeds from mortgage loans held for sale	5,201,000	2,079,000	450,000
Gain on mortgage loans held for sale	(69,000)	(37,000)	(10,000)
Changes in assets and liabilities:
(Increase) decrease in other assets	(4,731,000)	(1,065,000)	189,000
Increase (decrease) in other liabilities	4,641,000	812,000	(122,000)
Net cash provided by operating activities	8,558,000	7,330,000	5,833,000
Cash Flows from Investing Activities
Proceeds from maturities, calls and principal payments of securities available for sale	8,196,000	11,707,000	12,934,000
Proceeds from sales of securities available for sale	13,871,000	0	0
Purchase of securities available for sale	(27,626,000)	(12,372,000)	(34,215,000)
Purchase of premises and equipment	(558,000)	(839,000)	(644,000)
(Purchase) redemption of restricted investments, net	224,000	(694,000)	236,000
Loan originations, net	(1,009,000)	(47,036,000)	(39,665,000)
Net cash used in investing activities	(6,902,000)	(49,234,000)	(61,354,000)
Cash Flows from Financing Activities
Increase (decrease) in noninterest-bearing checking, interest-bearing checking, savings and money market accounts	(5,396,000)	55,318,000	18,281,000
Increase (decrease) in time deposits	(8,087,000)	10,297,000	5,585,000
Increase (decrease) in Federal Home Loan Bank advances	(7,085,000)	15,920,000	(5,076,000)
Cash dividends paid on common stock	(1,836,000)	(1,813,000)	(1,808,000)
Repurchase of common stock	(21,000)	(8,000)	(7,000)
Net cash provided by (used in) financing activities	(22,425,000)	79,714,000	16,975,000
Increase (decrease) in cash and cash equivalents	(20,769,000)	37,810,000	(38,546,000)
Cash and Cash Equivalents
Beginning	67,110,000	29,300,000	67,846,000
Ending	46,341,000	67,110,000	29,300,000
Cash payments for:
Interest	4,603,000	3,061,000	2,033,000
Income taxes	970,000	330,000	600,000
Supplemental Disclosures of Noncash Investing Activities
Unrealized gain (loss) on securities available for sale, net of tax	2,142,000	(823,000)	735,000
Unrealized gain (loss) on interest rate swaps, net of tax	(250,000)	135,000	14,000
Changes in Supplemental Executive Retirement Plans, net of tax	$ 17,000	$ 15,000	$ 92,000