Leases - Narratives (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Lessee, Lease
Operating lease assets	$ 295,775	$ 309,112
Short-term operating lease liabilities	$ 43,500
Operating Lease, Liability, Current, Statement of Financial Position\	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Long-term operating lease liabilities	$ 280,556	$ 297,662
Minimum
Lessee, Lease
Remaining lease term with option to extend (in years)	1 year
Maximum
Lessee, Lease
Remaining lease term with option to extend (in years)	15 years