Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Future minimum payments for operating lease liabilities
Remainder of 2019	$ 151,345
2020	578,615
2021	506,402
2022	495,694
2023	491,513
2024	482,745
Thereafter	1,447,537
Total lease payments	4,153,851
Less: imputed interest	(923,703)
Total lease liabilities, operating leases	3,230,148
Future minimum payments for financing lease liabilities
Remainder of 2019	21
2020	523
2021	1,152
2022	1,298
2023	45
Total lease payments	3,039
Total	3,039
Future minimum payments for total lease liabilities
Remainder of 2019	151,366
2020	579,138
2021	507,554
2022	496,992
2023	491,558
2024	482,745
Thereafter	1,447,537
Total lease payments	4,156,890
Less: imputed interest	(923,703)
Total	$ 3,233,187