XML 87 R60.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Goodwill [Line Items]        
Goodwill $ 10,454 $ 7,499 $ 7,499 $ 7,499
Goodwill, Impairment Loss 0 0 0  
Goodwill, Acquired During Period $ 2,955