Long-Term Debt - Estimated Amortization Expense Relating to Third-Party Fees and Costs, Lender Fees and Discount (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Jan. 02, 2016
Debt Disclosure [Abstract]    
2017 $ 2,855  
2018 3,036  
2019 3,195  
2020 3,430  
2021 3,185  
2022 401  
Total $ 16,102 $ 6,605