Other Balance Sheet Items Other Balance Sheet Non-Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Deferred Income Taxes and Other Liabilities, Noncurrent	$ 76,148	$ 90,335
Operating Lease, Liability, Noncurrent	2,485	5,159
Other Liabilities, Noncurrent	$ 78,633	$ 95,494