XML 12 R54.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Income Tax Disclosure [Abstract]          
Income Tax Expense (Benefit) $ 206 $ 211 $ 379 $ 174  
Effective tax rate     52.35%   13.00%