Leases - Maturity of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Operating Leases maturities:
2019 (excluding three months ended March 31, 2019)	$ 7,155
2020	9,523
2021	4,882
2022	2,178
2023	2,090
Thereafter	4,703
Total lease payments	30,531
Less imputed interest	(2,222)
Total	28,309
Finance Leases maturities:
2019 (excluding three months ended March 31, 2019)	145
2020	224
2021	45
2022	6
Total lease payments	420
Less imputed interest	(13)
Total	$ 407