Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating leased asset	$ 275,247	$ 287,251
Finance leased asset	7,824
Total leased assets	283,071
Operating lease liabilities, current	82,015	78,193
Finance lease liabilities, current	1,501
Operating lease liabilities, noncurrent	194,525	$ 209,311
Finance lease liabilities, noncurrent	7,021
Total lease liabilities	$ 285,062
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Finance Lease, Term of Contract	1 year
Lessee, Operating Lease, Term of Contract	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Finance Lease, Term of Contract	16 years
Lessee, Operating Lease, Term of Contract	16 years