XML 49 R39.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Common Share (Narrative Disclosures) (Details) - shares
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Earnings Per Share [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 0