Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Cash Flows From Operating Activities
Net income	$ 1,137,000	$ 2,098,000	$ 2,247,000	$ 4,266,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			995,000	928,000
Provision for loan losses	1,620,000	181,000	2,170,000	290,000
Amortization of core deposit intangible	108,000	145,000	253,000	338,000
Net loss on sale of securities available for sale		(6,000)		1,000
Net equity securities fair value adjustment losses (gains)			790,000	(35,000)
Net gain on sale of office properties and equipment			(26,000)
Origination of loans held for sale			(24,847,000)	(3,975,000)
Proceeds from sale of loans held for sale			25,218,000	4,057,000
Net loan sale gains and referral fees			(481,000)	(82,000)
Compensation expense on ESOP	84,000	100,000	184,000	208,000
Compensation expense on stock awards			68,000	36,000
Deferred income taxes			(236,000)	(70,000)
Increase in accrued interest receivable			(340,000)	(228,000)
Earnings on bank-owned life insurance	(139,000)	(134,000)	(277,000)	(265,000)
Decrease in accrued interest payable			(126,000)	(85,000)
(Increase) decrease in accounts receivable			(30,000)	3,220,000
Other, net			(21,000)	(244,000)
Net Cash Provided by Operating Activities			5,541,000	8,360,000
Cash Flows Used In Investing Activities
Net increase in loans			(31,651,000)	(5,748,000)
Purchases of investment securities			(12,628,000)	(7,083,000)
Purchases of mortgage-backed securities			(11,682,000)	(20,890,000)
Proceeds from maturities/principal repayments/calls of investment securities			12,825,000	1,535,000
Proceeds from maturities/principal repayments/calls of mortgage-backed securities			15,068,000	8,150,000
Proceeds from sales of investment securities		2,600,000		6,328,000
Proceeds from sales of mortgage-backed securities				1,286,000
Purchase of Federal Home Loan Bank stock			(1,620,000)	(2,034,000)
Redemption of Federal Home Loan Bank stock			610,000	2,267,000
Proceeds from sales of foreclosed real estate			97,000	44,000
Purchase of bank-owned life insurance			(1,000,000)	(265,000)
Proceeds from sales of office properties and equipment			26,000
Purchases of office properties and equipment			(229,000)	(304,000)
Net Cash Used by Investing Activities			(30,184,000)	(16,714,000)
Cash Flows From Financing Activities
Net increase in demand and savings accounts			73,143,000	18,710,000
Net decrease in time deposits			(16,474,000)	(368,000)
Net increase in securities sold under agreements to repurchase			4,130,000	1,482,000
Net repayments of Federal Home Loan Bank short-term borrowings				(4,524,000)
Repayments of Federal Home Loan Bank advances			(16,010,000)	(17,477,000)
Proceeds from Federal Home Loan Bank advances			25,000,000	15,000,000
Lease liabilities payments			(178,000)	(204,000)
Net (decrease) increase in advance deposits by borrowers for taxes and insurance			(5,000)	47,000
Exercise of stock options			258,000	206,000
Dividends paid			(2,037,000)	(2,059,000)
Stock repurchases			(1,197,000)	(1,604,000)
Net Cash Provided by Financing Activities			66,630,000	9,209,000
Net Increase in Cash and Cash Equivalents			41,987,000	855,000
Cash and Cash Equivalents - Beginning			32,427,000	16,207,000	$ 16,207,000
Cash and Cash Equivalents - Ending	$ 74,414,000	$ 17,062,000	74,414,000	17,062,000	32,427,000
Supplementary Cash Flows Information:
Interest paid			4,212,000		$ 4,586,000
Income taxes paid			213,000	1,369,000
Investment securities purchased not settled			6,502,000	1,144,000
Loans transferred to foreclosed real estate			$ 267,000	45,000
Right-of-use asset				(1,132,000)
Lease liability				1,158,000
Prepaid lease payments				$ (26,000)