Leases (Components of Lease Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Net lease cost	$ 11,158	$ 12,453
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	4,248	4,716
Short-term lease costs	700	900
Variable lease costs	400	400
Cost of sales
Lessee, Lease, Description [Line Items]
Operating lease cost	6,404	7,406
Amortization of right-of-use assets	461	298
Short-term lease costs	2,800	2,700
Variable lease costs	0	700
Interest expense
Lessee, Lease, Description [Line Items]
Interest of lease liabilities	$ 45	$ 33