Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) renewal_option	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Number of renewal options | renewal_option	1
Contract lease terms	10 years
Associated contract payments on leases not yet commenced	$ 6,200
Lease terms of leases not yet commenced	12 years
Total rental expense under operating leases	$ 80,300	$ 68,900
Minimum
Lessee, Lease, Description [Line Items]
Lease renewal term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease renewal term	50 years