Leases - Lease Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Finance Leases
2019	$ 1,394
2020	2,483
2021	1,596
2022	976
2023	375
Thereafter	70
Total lease payments	6,894
Less imputed interest	(393)
Total	6,501
Operating Leases
2019	10,440
2020	23,237
2021	18,018
2022	11,162
2023	8,840
Thereafter	57,518
Total lease payments	129,215
Less imputed interest	(32,474)
Total	$ 96,741	$ 103,900