Annual report pursuant to Section 13 and 15(d)

Organization and Basis of Presentation - Ownership Information (Details)

v3.19.3.a.u2
Organization and Basis of Presentation - Ownership Information (Details) - shares
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Share Count 45,108,545 44,876,649
% Ownership 100.00% 100.00%
Wexford    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Share Count 22,045,273 21,988,473
% Ownership 48.90% 49.00%
Gulfport    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Share Count 9,829,548 9,826,893
% Ownership 21.80% 21.90%
Rhino    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Share Count 0 104,100
% Ownership 0.00% 0.20%
Outstanding shares owned by related parties    
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]    
Share Count 31,874,821 31,919,466
% Ownership 70.70% 71.10%