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Business Transactions - Harvest Sale (Details)
CompressorUnit in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Aug. 01, 2019
USD ($)
CompressorUnit
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from sale of property, plant and equipment and other assets     $ 14,043 $ 55,674
Disposed of by Sale, Not Discontinued Operations | Harvest        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Compressor units horsepower (horsepower) | CompressorUnit 80      
Proceeds from sale of property, plant and equipment and other assets $ 30,000      
Gain on sale of assets   $ 6,600   $ 6,600