Leases - Futures maturities of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Finance Lease, Liability, Payment, Due [Abstract]
2019	$ 2,667
2020	7,522
2021	4,081
2022	1,423
2023	1,423
Thereafter	296
Finance Lease, Liability, Payment, Due, Total	17,412
Less: Amount representing interest	(1,684)
Total	15,728
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019	35,232
2020	60,236
2021	49,226
2022	34,454
2023	23,187
Thereafter	21,893
Lessee, Operating Lease, Liability, Payments, Due, Total	224,228
Less: Amount representing interest	(23,710)
Total	$ 200,518