XML 52 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Income Tax Disclosure [Abstract]          
Income tax expense $ 2,014,000 $ 1,613,000 $ 5,632,000 $ 5,491,000  
Effective income tax rate, continuing operations 34.90% 34.80% 35.10% 35.30%  
Unrecognized tax benefits, income tax penalties and interest expense $ 0 $ 0 $ 0 $ 0  
Unrecognized tax benefits, income tax penalties and interest accrued $ 0   $ 0   $ 0