Leases - Maturity of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
2019	$ 12,374
2020	24,642
2021	22,237
2022	21,124
2023	20,156
2024 and after	146,999
Total future minimum lease payments	247,532
Less lease liability interest	(47,157)
Present value of net future minimum lease payments	$ 200,375