Leases - Balance Sheet Classification of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Operating Leases
Other assets, net	$ 28,148	$ 30,047
Accrued liabilities and other	9,078	9,236
Other long-term liabilities	20,732	23,932
Total operating lease liabilities	29,810	33,168
Finance Leases
Right-of-use assets, net	545	767
Current liabilities	225	293
Non-current liabilities	308	434
Total finance lease liabilities	$ 533	$ 727
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets, net	Other assets, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities and other	Accrued liabilities and other
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets, net	Other assets, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities and other	Accrued liabilities and other
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities