Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.5.0.2
Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Tax Disclosure [Abstract]        
Unrecognized tax benefits, interest or penalties recognized     $ 0 $ 0
Income tax expense (benefit) $ 1,994,000 $ 982,000 $ 5,929,000 $ 3,683,000
Effective income tax rate 36.60% 26.70% 35.10% 32.30%