XML 38 R28.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Earnings Per Share [Abstract]    
Non-dilutive instruments (shares) 35 106
Dilutive common stock equivalents (shares) 100 73