Leases - Maturity of Lease Liabilities (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating Leases maturities:
2019 (excluding the nine months ended September 30, 2019)	$ 3,361
2020	10,580
2021	6,468
2022	2,178
2023	2,090
Thereafter	4,703
Total lease payments	29,380
Less imputed interest	(2,062)
Total	27,318
Finance Leases maturities:
2019 (excluding nine months ended September 30, 2019)	68
2020	218
2021	45
2022	6
Total lease payments	337
Less imputed interest	(6)
Total	$ 331