Leases - Undiscounted Cash Flows on an Annual Basis (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating
2019	$ 6,982
2020	28,331
2021	28,586
2022	28,611
2023	28,698
Thereafter	252,832
Total	374,040
Present value adjustments	(94,991)
Lease liabilities	279,049
Finance
2019	57
2020	232
2021	237
2022	255
2023	255
Thereafter	16,777
Total	17,813
Present value adjustments	(12,990)
Lease liabilities	4,823
Total
2019	7,039
2020	28,563
2021	28,823
2022	28,866
2023	28,953
Thereafter	269,609
Total	391,853
Present value adjustments	(107,981)
Lease liabilities	$ 283,872