Contract Assets and Liabilities (Schedule of (Increases)/ Decreases in Allowance for Credit Losses) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0
Charges	(657)
Currency translation	(5)
Other	6
Ending balance	(1,059)
Cumulative Effect, Period of Adoption, Adjustment
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ (403)