Stock Based Compensation (Restricted Stock Awards Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock redeemed to cover payroll taxes due at time of vesting			$ 64	$ 43
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs	$ 1,400		$ 1,400
Weighted-average recognition period for unrecognized compensation costs			2 years 18 days
Fair value of shares vested during period			$ 459
Share-based compensation expense	220	$ 163	397	297
Restricted stock redeemed to cover payroll taxes due at time of vesting			64	43
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs	28		$ 28
Weighted-average recognition period for unrecognized compensation costs			7 months 17 days
Share-based compensation expense	$ 11	$ 11	$ 22	$ 31

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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