Quarterly report pursuant to sections 13 or 15(d)

Income Taxes (Details)

v2.4.0.6
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Minimum [Member]
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Maximum [Member]
Oct. 09, 2012
State and Local Jurisdiction [Member]
Dec. 31, 2012
State and Local Jurisdiction [Member]
Income taxes [Abstract]              
Effective tax rate 38.00% 38.90%          
Income Tax Examination [Line Items]              
Years under examination       2005 2007    
Amount of tax settlement     $ 613        
Cash paid for income taxes 823 665       318  
Interest paid on tax settlement     225     5  
Penalties and interest due             $ 149