Operating and Finance Lease Liabilities - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Rental expense for all operating lease	$ 8,200	$ 7,800	$ 16,300	$ 12,500
Gross profit on sale leaseback transactions	19,500	14,400	35,400	19,700
Right of use assets obtained in exchange for new operating lease liabilities	24,000	2,900	35,900	8,100
Right of use assets, operating lease	172,300		172,300		$ 136,900
Amortization of right-of-use asset from operating lease	26,500		26,500		19,900
Right of use assets, finance lease	17,300		17,300		5,700
Amortization of right-of-use asset from finance lease	380		380		102
Prepaid rent and security deposit	3,100		3,100		$ 5,800
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 6,500	$ 700	$ 12,100	$ 700
Minimum
Lessee, Lease, Description [Line Items]
Lease Term - as Lessee	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease Term - as Lessee	9 years		9 years