Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
Fair value adjustment period	18 months
Other real estate owned	$ 6,598,000	$ 10,141,000
Other real estate owned expenses	1,456,000	190,000
Loans and leases receivable, net of deferred income	1,007,714,000	892,518,000
Dividend income, operating	279,762	251,709
Allowance for unfunded loan commitments	$ 63,230	64,688
Property, plant and equipment, depreciation methods	straight-line method based on the estimated useful lives of the assets
Shares Authorized	325,000
Share-based compensation	$ 249,000	$ 192,000
Common stock, par or stated value per share	$ 0.01	$ 0.01
Preferred Stock, par or stated value per share	$ 0.00
Stock repurchased during period, shares	0	0
Liberty Mews Limited Partnership [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	99.90%
Restatement Adjustment [Member] | Appraisal discounted factor adjustment
Other real estate owned		$ 400,000
Other real estate owned expenses		$ 300,000
Scenario, Forecast [Member] | Accounting Standards Update 2016-02 [Member]
Operating lease liability			$ 3,300,000
ROU asset			$ 2,700,000
Director [Member]
Immediate vested shares	12,936	14,795
Immediate vested shares, per share value	$ 20.63	$ 14.48
Stock compensation expense	$ 249,324	$ 192,398
Director [Member] | Scenario, Plan [Member]
Non-employee annual retainer paid in stock awards	$ 10,000
Immediate vested shares	1,000
Parent Company [Member]
Share-based compensation	$ 249,000	$ 192,000
Maximum [Member] | Premises [Member]
Property, plant and equipment, useful life	31 years 6 months
Maximum [Member] | Furniture and Equipment [Member]
Property, plant and equipment, useful life	20 years
Minimum [Member]
Threshold limit for adjustment	$ 250,000
Minimum [Member] | Premises [Member]
Property, plant and equipment, useful life	10 years
Minimum [Member] | Furniture and Equipment [Member]
Property, plant and equipment, useful life	3 years
Western Maryland and Northeastern Virginia [Member] | Loans Receivable [Member]
Concentration risk, percentage	12.00%
Loans and leases receivable, net of deferred income	$ 118,400,000
Western Maryland and Northeastern Virginia [Member] | Loans Receivable [Member] | Performing Financing Receivable [Member]
Loans and leases receivable, net of deferred income	117,700,000
Western Maryland and Northeastern Virginia [Member] | Loans Receivable [Member] | Performing According to Modified Terms [Member]
Loans and leases receivable, net of deferred income	700,000
Western Maryland and Northeastern Virginia [Member] | Loans Receivable [Member] | Nonperforming Troubled Debt Restructuring [Member]
Loans and leases receivable, net of deferred income	$ 200,000
Western Maryland and Northeastern Virginia [Member] | Real Estate [Member]
Concentration risk, percentage	16.00%