Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Detail)

v3.19.3
Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Jan. 22, 2014
Jul. 30, 2013
Income Tax Disclosure [Abstract]                  
Income tax expense $ 4,979 $ 656 $ 2,371 $ 8,771   $ 5,561      
Effective tax rate 55.50% (0.70%) (3.50%) 50.40%   (4.80%)      
U.S. statutory rate         21.00%        
Income taxes paid (net of refunds)   $ 1,421   $ 5,440   $ 5,871      
Liability for unrecognized tax benefits $ 3,403     3,403 $ 3,403   $ 5,728    
Accrued interest and penalties related to uncertain tax positions $ 1,323     $ 1,323 $ 1,323   $ 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%       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%     6.75%