XML 44 R29.htm IDEA: XBRL DOCUMENT v3.7.0.1
Debt - 2024 Term Loan - Additional Information (Detail) - 2024 term loan - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Debt instrument carrying amount $ 465,300 $ 467,650
Weighted average interest rate of debt outstanding 4.30%  
Repayment of term loan $ 2,400