Leases - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Sublease Income	$ 374	$ 431
Finance Lease, Right-of-Use Asset	30,847	32,571
Lessee, Operating Lease, Lease Not yet Commenced, Amount	1,404
Other Asset Impairment Charges	17,893	23,139	$ 43,706
Operating Lease, Impairment Loss	647
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	109,795	83,376
Current operating lease liabilities	21,711	24,094
Long-term operating lease liabilities	90,517	60,234
Finance Lease, Right-of-Use Asset	30,847	32,571
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	109,795	83,376
Current operating lease liabilities	21,711	24,094
Long-term operating lease liabilities	90,517	60,234
Finance Leases [Member]
Lessee, Lease, Description [Line Items]
Finance Lease, Liability, Current	2,300	2,343
Finance Lease, Liability, Noncurrent	$ 26,152	$ 27,430