Stock-based Compensation (Summary of Status of Stock Option Plan) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
2006 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of year			64,548	82,321
Exercised	0	0	0	0
Outstanding at end of period	64,548	82,321	64,548	82,321
Options exercisable at end of period	38,726	43,591	38,726	43,591
Outstanding at beginning of year, Weighted Average Exercise Price			$ 14.38	$ 12.98
Outstanding at end of period, Weighted Average Exercise Price	$ 14.38	$ 12.98	14.38	12.98
Options exercisable at end of period, Weighted Average Exercise Price	$ 14.38	$ 11.73	$ 14.38	$ 11.73
Options Outstanding at end of period, Remaining Contractual Life			6 years 3 months 18 days	5 years 10 months 24 days
Options Exercisable at end of period, Remaining Contractual Life			6 years 3 months 18 days	5 years 10 months 24 days
2012 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of year			20,000	20,000
Outstanding at end of period	20,000	20,000	20,000	20,000
Options exercisable at end of period	11,999	7,997	11,999	7,997
Outstanding at beginning of year, Weighted Average Exercise Price			$ 14.38	$ 14.38
Outstanding at end of period, Weighted Average Exercise Price	$ 14.38	$ 14.38	14.38	14.38
Options exercisable at end of period, Weighted Average Exercise Price	$ 14.38	$ 14.38	$ 14.38	$ 14.38
Options Outstanding at end of period, Remaining Contractual Life			6 years 3 months 18 days	7 years 3 months 18 days
Options Exercisable at end of period, Remaining Contractual Life			6 years 3 months 18 days	7 years 3 months 18 days