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 ($)
1 Months Ended 12 Months Ended
May 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Loss Contingencies [Line Items]        
Income from subleases     $ 400,000  
Settlements and other related costs       $ 4,700,000
Rent expense   $ 14,700,000 10,900,000 $ 11,100,000
Richardson, Texas | Office Space        
Loss Contingencies [Line Items]        
Term of lease (in years) 12 years      
Other Current Assets | Richardson, Texas | Office Space        
Loss Contingencies [Line Items]        
Receivable for incentives   0 19,400,000  
Indemnification Agreement        
Loss Contingencies [Line Items]        
Guarantor obligations, current carrying value   $ 0 $ 0