Leases (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Operating Leased Assets [Line Items]
Right-of-use Asset	$ 6,946
Lease Liability	6,823
Compressors [Member]
Operating Leased Assets [Line Items]
Right-of-use Asset	3,644
Lease Liability	3,644
Corporate leases [Member]
Operating Leased Assets [Line Items]
Right-of-use Asset	2,378
Lease Liability	2,388
Vehicles [Member]
Operating Leased Assets [Line Items]
Right-of-use Asset	924
Lease Liability	$ 791