Share-Based Compensation (Narrative) (Details) $ in Thousands				3 Months Ended		12 Months Ended
	May 27, 2021 USD ($) shares	Mar. 08, 2021 USD ($) shares	Mar. 04, 2021 USD ($) people shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares				1,000,000		1,000,000
Number of shares available for grant (in shares) | shares				328,418		328,418
Net adjustment				$ 500
Deferred tax benefit						$ 400	$ 0	$ 100
Unrecognized share-based compensation expense				$ 1,900		$ 1,900
Unrecognized share-based compensation expense recognition period						1 year 6 months
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of people granted awards | people			3
Percentage of performance based units on total units approved			50.00%
Grant date fair value	$ 300	$ 600	$ 1,700
Number of RSUs, granted (in shares) | shares	9,936	17,793	52,486			80,000	79,000	73,000
Award vesting rights (percentage)			50.00%
Award vesting period		3 years	3 years
Fair value of RSU's vested						$ 2,500
Decrease in shared-based compensation expense						$ (2,244)	$ (1,387)	$ (1,336)
Restricted Stock Units (RSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance based units on total units approved		50.00%
Award vesting rights (percentage)		25.00%
Restricted Stock Units (RSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance based units on total units approved		75.00%
Award vesting rights (percentage)		50.00%
Scenario, Adjustment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Decrease in shared-based compensation expense					$ 100			$ 800