Leases (Schedule of Supplemental Balance Sheet Information Related to Leases) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating leases
Right of use assets included in Other assets	$ 14,366	$ 17,712
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Lease liability - operating leases, current	$ 3,730	$ 4,433
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Lease liability - operating lease, noncurrent	$ 11,001	$ 13,589
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other noncurrent liabilities	Other noncurrent liabilities
Total operating lease liabilities	$ 14,731	$ 18,022
Finance lease
Right-of-use assets included in Property, plant and equipment, net	$ 7,979	$ 8,976
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment, net	Property, plant and equipment, net
Accrued liabilities	$ 1,606	$ 1,438
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Other noncurrent liabilities	$ 14,515	$ 16,121
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other noncurrent liabilities	Other noncurrent liabilities
Total finance lease liabilities	$ 16,121	$ 17,559