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Stock-Based Compensation and Other Incentives - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Oct. 31, 2017
Aug. 31, 2017
Feb. 28, 2017
Dec. 31, 2017
Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Expected life of stock options issued       3 years 6 months  
Stock options vesting periods       3 years  
Share-based compensation expiration period       4 years  
Stock options exercised       0  
Unrecognized compensation cost related to stock options       $ 0  
Employee Stock Option          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation expenses         $ 448,000
Employee Stock Option | Lonestar Resources US Inc 2016 Incentive Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares issued       2,200,000  
Number of shares available for issuance       800,000  
Restricted Stock Units (RSUs)          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock options vesting periods       3 years  
Number of RSUs or SARs granted       740,409  
Stock-based compensation expenses       $ 1,315,000  
Unrecognized compensation cost       $ 2,725,000  
Restricted Stock Units (RSUs) | Employees          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of RSUs or SARs granted     612,000    
Restricted Stock Units (RSUs) | Chairman of the Board of Directors          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of RSUs or SARs granted   100,000      
Restricted Stock Units (RSUs) | Internal General Counsel          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of RSUs or SARs granted 28,409        
Restricted Stock Units (RSUs) | Vesting on First Anniversary          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation award vesting rights, Percentage       40.00%  
Restricted Stock Units (RSUs) | Vesting on Second Anniversary          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation award vesting rights, Percentage       30.00%  
Restricted Stock Units (RSUs) | Vesting on Third Anniversary          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation award vesting rights, Percentage       30.00%  
Stock Appreciation Rights (SARs)          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock options vesting periods     3 years    
Share-based compensation expiration period     5 years    
Number of RSUs or SARs granted     700,000 700,000  
Share-based compensation, Liability paid       $ 300,000  
Stock-based compensation expenses       314,000  
Unrecognized compensation cost       $ 629,000  
Stock Appreciation Rights (SARs) | Vesting on First Anniversary          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation award vesting rights, Percentage     40.00%    
Stock Appreciation Rights (SARs) | Vesting on Second Anniversary          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation award vesting rights, Percentage     30.00%    
Stock Appreciation Rights (SARs) | Vesting on Third Anniversary          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation award vesting rights, Percentage     30.00%    
401 (K) Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Percentage of employer matching contribution       100.00%  
Employer's matching contributions       $ 147,000 $ 155,000
401 (K) Plan | Maximum          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Employer's matching contribution of employee's compensation       4.00%  
Predecessor          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Weighted average volatility rate of common share price       58.60%  
Cash dividend on common shares       $ 0  
Expected dividend yield       0.00%