XML 92 R74.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock-Based Compensation Plans (Schedule of Stock Option Activity, Additional Disclosures) (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Intrinsic value of options exercised $ 0 $ 3,875 $ 0
Weighted-average fair value of options exercised $ 0.00 $ 3.26 $ 0.00