v3.5.0.2
Income Taxes - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount [Abstract]        
Effective income tax rate (as a percent) 51.00% 7.70% 47.10% 19.40%