Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.4.0.3
Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Operating Loss Carryforwards [Line Items]    
Provision (benefit) for income taxes for continuing operations $ 6,183,000 $ 7,534,000
Effective income tax rate 29.50% 40.50%
Valuation allowance $ 0  
Tax Year 2014 [Member]    
Operating Loss Carryforwards [Line Items]    
Provision (benefit) for income taxes for continuing operations $ 1,800,000