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Additional Balance Sheet Details
12 Months Ended
Dec. 31, 2020
Text Block [Abstract]  
Additional Balance Sheet Details
Note 15. Additional Balance Sheet Details

Rollforward of Allowance for Doubtful Accounts
SuccessorPredecessor
 Period from Sept. 19, 2020 through
Dec. 31, 2020
Period from Jan. 1, 2020 through
Sept. 18, 2020
Year Ended
In thousandsDec. 31, 2019Dec. 31, 2018
Beginning balance$22,146 $17,137 $17,070 $229 
Provision for doubtful accounts1,060 5,297 68 16,911 
Write-offs— (288)(1)(70)
Ending balance$23,206 $22,146 $17,137 $17,070 

Accounts Payable and Accrued Liabilities

SuccessorPredecessor
In thousandsDecember 31, 2020December 31, 2019
Accrued general and administrative expenses$21,825 $21,838 
Accrued lease operating expenses21,294 26,686 
Accounts payable18,629 29,077 
Taxes payable17,221 21,274 
Accrued compensation7,512 36,366 
Accrued exploration and development costs1,861 7,811 
Accrued interest1,833 25,253 
Other22,496 15,527 
Total$112,671 $183,832