XML 83 R49.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes Unrecognized Tax Benefits (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits before impact of deductions for state taxes, excluding interest and penalties $ 2,130 $ 1,874
Unrecognized tax benefits that would impact effective tax rate 109 61
Reconciliation of Unrecognized Tax Benefits [Roll Forward]    
Balance at December 31, 2011 1,978  
Additions based on tax position related to the current year, including interest 546  
Reductions related to tax positions taken in a prior year, including interest (208)  
Balance at December 31, 2012 2,316  
Accrued interest expense net of the benefit of tax deductions 109  
Expected decrease in unrecognized tax benefits due to lapsing statutes of limitations 12  
Cumulative reduction in unrecognized tax benefits, due to lapsing of statutes of limitations $ 1,455