Commitments and Contingencies (Reconciliation of Changes in Product Warranty and Recall Liability) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Commitments and Contingencies [Abstract]
Product warranty and recall at beginning of period	$ 10,796	$ 10,494
Accruals for warranties established during period	4,817	5,049
Aggregate changes in pre-existing liabilities due to claim developments	1,137	1,124
Settlements made during the period	(4,630)	(5,310)
Foreign currency translation	42	(515)
Product warranty and recall at end of period	$ 12,162	$ 10,842