Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.20.1
Leases (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 01, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Lessee, Lease, Description [Line Items]        
Operating Lease, Right-of-Use Asset   $ 2,928   $ 2,740
Operating Lease, Payments   218 $ 39  
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 2,500 306 2,572  
Operating Lease, Liability, Current   927   847
Operating Lease, Liability, Noncurrent   2,335   2,232
Operating Lease, Liability   $ 3,262   $ 3,079
Operating Lease, Weighted Average Remaining Lease Term   3 years 9 months 18 days   4 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent   3.26%   5.97%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year   $ 689    
Lessee, Operating Lease, Liability, Payments, Due Year Two   894    
Lessee, Operating Lease, Liability, Payments, Due Year Three   874    
Lessee, Operating Lease, Liability, Payments, Due Year Four   873    
Lessee, Operating Lease, Liability, Payments, Due after Year Five   144    
Lessee, Operating Lease, Liability, Payments, Due   3,474    
Lessee, Operating Lease, Liability, Undiscounted Excess Amount   (212)    
Operating Lease, Cost   210 163  
Short-term Lease, Cost   11,296 11,571  
Variable Lease, Cost   5,657 5,095  
Amounts charged as dilling costs   (10,621) (10,851)  
Lease, Cost   6,542 5,978  
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]        
Lessee, Lease, Description [Line Items]        
Lease, Cost   2,800 2,100  
Operating Expense [Member]        
Lessee, Lease, Description [Line Items]        
Lease, Cost   3,500 3,700  
General and Administrative Expense [Member]        
Lessee, Lease, Description [Line Items]        
Lease, Cost   $ 200 $ 200  
Minimum [Member]        
Lessee, Lease, Description [Line Items]        
Lessee, Operating Lease, Term of Contract   2 years