Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.6.0.2
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Commitments and Contingencies Disclosure [Line Items]    
Liability for deferred lease expenses $ 42,378 $ 43,333
Employer matching contribution payments 3,187 $ 3,043
Liability recorded for employer contribution payments $ 3,522  
Other Employees Except Tim Warner    
Commitments and Contingencies Disclosure [Line Items]    
Employment agreements term extension 1 year  
Tim Warner    
Commitments and Contingencies Disclosure [Line Items]    
Employment agreement termination date Apr. 01, 2016  
Minimum    
Commitments and Contingencies Disclosure [Line Items]    
Operating and capital leases with terms generally ranging 10 years  
Maximum    
Commitments and Contingencies Disclosure [Line Items]    
Operating and capital leases with terms generally ranging 25 years