Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Right of use assets:
Total right of use assets, net	$ 526,614	$ 465,866
Lease liabilities:
Operating leases	434,303	311,164
Financing leases	110,244	107,102
Total	$ 544,547	$ 418,266
Operating lease, right-of-use asset, statement of financial position
Finance lease, right-of-use asset, statement of financial position
Operating lease, liability, statement of financial position
Finance lease, liability, statement of financial position
Real estate
Right of use assets:
Operating leases	$ 371,034	$ 310,017
Finance leases	155,580	155,849
Corporate
Right of use assets:
Operating leases	$ 6,686	$ 9,624
Lease liabilities:
Operating lease, right-of-use asset, statement of financial position
Real estate and Corporate
Right of use assets:
Total right of use assets, net	$ 533,300	$ 475,490