XML 14 R48.htm IDEA: XBRL DOCUMENT v3.2.0.727
Income from Continuing Operations Per Unrestricted Share - Antidilutive Securities (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 932,200 1,541,300 1,088,200 1,395,600
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 932,200 1,541,300 1,088,200 1,395,600