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CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) - shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Treasury Stock [Member]    
Purchase of common stock, shares 4,801 22,411
Total Stockholders' Equity – PrimeEnergy [Member]    
Purchase of common stock, shares 4,801 22,411