Leases - Assets And Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets
Operating	$ 46,713	$ 50,105
Finance	83	111
Total leased assets	46,796	50,216
Current
Operating	2,280	4,394
Finance	41	41
Lease liability current	2,321	4,435
Non-current
Operating	48,493	48,789
Finance	42	76
Total leased liabilities	$ 48,535	$ 48,865
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities