Right-of-Use Asset and Lease Liabilities - Lease Maturities Prior To Adoption of New Lease Standard (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Leases
2019	$ 24,128
2020	29,527
2021	30,898
2022	30,492
2023	30,122
Thereafter	81,316
Total minimum lease payments	226,483
Finance Leases
2019	306
2020	512
2021	573
2022	590
2023	608
Thereafter	1,939
Total minimum lease payments	$ 4,528