Quarterly report pursuant to sections 13 or 15(d)

Income Taxes - Additional Information (Details)

v2.4.0.8
Income Taxes - Additional Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Income Tax Disclosure [Abstract]        
Income tax expense $ 579 $ 408 $ 1,718 $ 1,060
Tax effects of goodwill amortized for income tax purposes $ 298 $ 210 $ 885 $ 692