Accumulated Other Comprehensive Income (Loss) (Schedule of component of accumulated other comprehensive income (loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 24,117	$ 24,171
Other Comprehensive Income (Loss)	53	(38)
Balance	23,184	24,117
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(31)	7
Other Comprehensive Income (Loss) Before Reclassifications - Net of Tax	53	(38)
Other Comprehensive Income (Loss)	53	(38)
Balance	$ 22	$ (31)