Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.10.0.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
4 Months Ended 8 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 12, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Valuation Allowance [Line Items]          
Tax Credit Carryforward, Amount     $ 5,000    
Income taxes receivable     2,471 $ 0  
State     500    
Other, net     $ 300    
Future Federal Statutory Income Tax Rate, Percent     2100.00%    
Liabilities for unrecognized tax benefits      
Effective Income Tax Rate Reconciliation, Percent     0.20%    
Deferred Tax Assets, Tax Credit Carryforwards     $ 2,500    
Federal          
Valuation Allowance [Line Items]          
Operating Loss Carryforwards     $ 557,200    
Federal | Minimum          
Valuation Allowance [Line Items]          
Operating Loss Carryforwards Expiration Year     2032    
Federal | Maximum          
Valuation Allowance [Line Items]          
Operating Loss Carryforwards Expiration Year     2037    
State and Local Jurisdiction | Minimum          
Valuation Allowance [Line Items]          
Operating Loss Carryforwards Expiration Year     2024    
State and Local Jurisdiction | Maximum          
Valuation Allowance [Line Items]          
Operating Loss Carryforwards Expiration Year     2037    
Successor [Member]          
Valuation Allowance [Line Items]          
State 0   $ 523 0  
Other, net $ 0   285 332  
Liabilities for unrecognized tax benefits     0 0  
Income Tax Examination, Penalties and Interest Expense     $ 0 $ 0  
Effective Income Tax Rate Reconciliation, Percent 0.00%   0.20% (17.80%)  
Successor [Member] | State and Local Jurisdiction          
Valuation Allowance [Line Items]          
Operating Loss Carryforwards     $ 437,900    
Successor [Member] | Federal, State and Local Tax Jurisdictions          
Valuation Allowance [Line Items]          
Deferred Tax Assets, Valuation Allowance       $ 128,700  
Predecessor [Member]          
Valuation Allowance [Line Items]          
State   $ 0      
Other, net   $ 20      
Income Tax Examination, Penalties and Interest Expense         $ 0
Effective Income Tax Rate Reconciliation, Percent   0.00%