Leases (Narrative) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($) rig
Leases [Abstract]
Number of compressors under finance lease agreement \| rig	20
Finance lease term	7 years
Finance Lease Obligations, Current	$ 2,100
Discount rate finance leases	4.00%
Maintenance	$ 72
Finance lease fair market value percentage for purchase	10.00%

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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