XML 87 R70.htm IDEA: XBRL DOCUMENT v3.6.0.2
Subsequent Events - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jan. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Subsequent Event [Line Items]      
Repayments of long-term debt   $ 32,099 $ 7,000
Subsequent Event | Amended Credit Agreement      
Subsequent Event [Line Items]      
Repayments of long-term debt $ 3,250    
Subsequent Event | Restricted Stock      
Subsequent Event [Line Items]      
Units granted 297,685    
Fair value of the stock award on the date of grant $ 3,066    
Vesting period 3 years    
Subsequent Event | Phantom Share Units (PSUs)      
Subsequent Event [Line Items]      
Units granted 147,950    
Fair value of the stock award on the date of grant $ 1,524    
Vesting period 3 years