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Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
Income Taxes (Narrative) (Details) - USD ($)	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Net deferred tax assets	$ 6,400,000			$ 6,200,000
Valuation allowance for deferred tax assets	0
Tax rate differential, contingency for apportionment of interest income on loans	$ 743,000
Effective tax rate	(2.10%)	25.30%
Minimum [Member] \| Forecast [Member]
Income Tax Contingency [Line Items]
Effective tax rate			25.40%
Maximum [Member] \| Forecast [Member]
Income Tax Contingency [Line Items]
Effective tax rate			26.06%