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Divestitures and Assets Held for Sale - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jan. 31, 2020
Mar. 31, 2020
Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Proceeds from sale of properties   $ 11,813 $ 0
Held for Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment loss   1,400  
Divestiture of Certain Gas Properties in South Nesson Area of Williston Basin | Divestitures      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Proceeds from sale of properties $ 10,400    
Net gain on disposition of oil and gas property   11,500  
Well Services Exit | Held for Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment loss   $ 14,500