XML 108 R21.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings Per Share (Narrative) (Details) (Stock options)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Stock options
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from earnings per share computation 82,000 266,185