XML 53 R68.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Taxes [Abstract]        
Income Tax Expense (Benefit) $ 2,214 $ 1,934 $ 4,369 $ 3,645
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate     33.70% 35.60%