Business Combinations (Allocation of Purchase Price of Progressive Financial Group, Inc.) (Details) - USD ($)		3 Months Ended
	Mar. 01, 2020	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consideration transferred:
Goodwill		$ 74,458,000	$ 74,135,000	$ 65,614,000
Progressive Financial Group Inc. [Member]
Assets:
Cash and cash equivalents	$ 55,971,000	55,971,000
Investment securities available-for-sale	27,054,000	27,257,000
Restricted investments	692,000	692,000
Loans	191,672,000	187,981,000
Allowance for loan losses	(2,832,000)
Premises and equipment	15,681,000	12,762,000
Bank owned life insurance	5,560,000	5,560,000
Deferred tax asset, net		1,006,000
Intangibles		2,497,000
Other real estate owned	3,695,000	1,733,000
Interest Receivable	1,061,000	781,000
Prepaids	375,000	201,000
Goodwill	231,000
Other assets	1,881,000	1,881,000
Total assets acquired	301,041,000	298,322,000
Liabilities:
Deposits	271,276,000	271,276,000
Time deposit premium		729,000
Payables and other liabilities	776,000	776,000
Total liabilities assumed	272,052,000	272,781,000
Total fair value of net assets acquired	28,989,000	25,541,000
Cash consideration paid	9,800,000	9,838,000
Common stock issued	$ 1,292,578	24,547,000
Number of shares issued (in shares)	1,292,578
Business Combination, Consideration Transferred, Total		34,385,000
Assets:
Investment securities available-for-sale	$ 203,000
Loans	(3,691,000)
Allowance for loan losses	2,832,000
Premises and equipment, net	(2,919,000)
Deferred tax asset, net	813,000	193,000
Intangibles	1,370,000	1,127,000
Other real estate owned	(100,000)	(1,862,000)
Interest Receivable	(280,000)
Prepaids	(174,000)
Goodwill	(231,000)
Total assets acquired	(2,177,000)	(542,000)
Liabilities:
Time deposit premium	729,000
Total liabilities assumed	729,000
Consideration transferred:
Aggregate fair value adjustments	(2,906,000)	(542,000)
Goodwill	$ 8,800,000	$ 8,844,000