Leases - Maturities of Operating and Financing Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Leases
2019	$ 27,019
2020	30,852
2021	28,260
2022	25,390
2023	23,753
2024	18,674
Thereafter	85,807
Total lease payments	239,755
Less imputed interest	(90,342)
Total	149,413
Finance Leases
Remainder of 2019	158
2020	54
2021	1
2022	0
2023	0
Thereafter	0
Total lease payments	213
Less imputed interest	(5)
Total	$ 208