Capital Leases Minimum Lease Payments (Details) $ in Thousands	Mar. 31, 2018 USD ($)
Capital Leased Assets [Line Items]
Future Minimum Payments	$ 5,260
Executory Costs	(400)
Amount representing interest	(501)
Present Value of Net Minimum Payments	4,359
Short-term Capital Lease Obligations	1,789
Long-Term Capital Lease Obligations	2,570
Total Capital Lease Obligations	4,359
2019
Capital Leased Assets [Line Items]
Future Minimum Payments	1,952
2020
Capital Leased Assets [Line Items]
Future Minimum Payments	2,061
2021
Capital Leased Assets [Line Items]
Future Minimum Payments	$ 1,247