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Commitments and Contingencies - Narrative (Details)
$ in Millions
12 Months Ended
Feb. 27, 2019
a
well
Dec. 31, 2019
USD ($)
a
well
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Other Commitments [Line Items]        
Rent expense   $ 1.3    
Rent expense     $ 1.2 $ 1.0
Water disposal costs   $ 0.9    
Exchange and Farm-in Agreement        
Other Commitments [Line Items]        
Area of land received subject to obligation (acres) | a 2,200 935    
Drilling and completion obligation, number of wells (up to) | well 7      
Drilling and completion costs obligation percentage 25.00%      
Drilling and completion obligation, number of wells completed | well   2    
Minimum        
Other Commitments [Line Items]        
Lease term of contract   1 year    
Maximum        
Other Commitments [Line Items]        
Lease term of contract   2 years