Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]
Other Accrued Liabilities		$ 6,241	$ 5,592
Unrealized Gain (Loss) on Derivatives		10	1,374
Accrued Income Taxes, Current		7,874	13,856
Accrual for Taxes Other than Income Taxes, Current		3,318	3,284
Interest Payable, Current		8,256	8,038
Operating Lease, Liability, Current		11,560	11,301
Accrued Salaries, Current		29,868	28,408
Deferred Revenue	[1]	25,736	16,093
Accrued liabilities and other		$ 92,863	$ 87,946

[1] See Note 19 -- Commitments and Contingencies for additional details on deferred revenue liabilities