Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Right of use assets:
Total right of use assets, net	$ 453,621	$ 465,866	[1]
Lease liabilities:
Operating leases	298,722	311,164
Financing leases	110,906	107,102
Total	$ 409,628	$ 418,266	[1]
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	$ 296,150	$ 310,017
Finance leases	157,471	155,849
Corporate
Right of use assets:
Operating leases	$ 7,248	$ 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	$ 460,869	$ 475,490

[1] Note: The consolidated balance sheet at December 31, 2020 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.