Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Income taxes Paid	$ (4,119)	$ (3,140)	$ 924
Tax Year 2014 Through 2017 [Member]
Operating Loss Carryforwards [Line Items]
Interest expense	100	100
Income taxes Paid	$ 500	$ 2,700