Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Operating lease liabilities
2020	$ 85,277
2021	84,796
2022	81,021
2023	79,751
2024	73,612
Thereafter	478,241
Total undiscounted future cash flows	882,698
Less: Imputed interest	(189,159)
Present value of undiscounted future cash flows	693,539
Finance lease liabilities
2020	8,881
2021	8,927
2022	9,399
2023	9,865
2024	9,914
Thereafter	226,261
Total undiscounted future cash flows	273,247
Less: Imputed interest	(95,161)
Present value of undiscounted future cash flows	$ 178,086