Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Detail)

v3.19.2
Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Jan. 22, 2014
Jul. 30, 2013
Income Tax Disclosure [Abstract]                
Income tax expense $ 3,792 $ 656 $ 1,586   $ 3,190      
Effective tax rate 45.00% (0.70%)     (6.60%)      
U.S. statutory rate       21.00%        
Income taxes paid (net of refunds) $ 3,106 $ 1,421     $ 5,359      
Liability for unrecognized tax benefits 3,564     $ 3,564   $ 5,728    
Accrued interest and penalties related to uncertain tax positions $ 1,508     $ 1,508   $ 2,107    
Predecessor 7.50% senior notes, due August 2020                
Debt Instrument [Line Items]                
Debt instrument fixed interest rate 7.50%     7.50%       7.50%
Predecessor 6.75% senior notes, due July 2022                
Debt Instrument [Line Items]                
Debt instrument fixed interest rate 6.75%     6.75%     6.75%