Leases - Lease Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Finance Leases
2019	$ 759
2020	2,621
2021	1,737
2022	1,117
2023	446
Thereafter	70
Total lease payments	6,750
Less imputed interest	(431)
Total	6,319
Operating Leases
2019	4,122
2020	24,732
2021	19,760
2022	12,911
2023	10,596
Thereafter	63,691
Total lease payments	135,812
Less imputed interest	(33,129)
Total	$ 102,683	$ 103,900