XML 59 R47.htm IDEA: XBRL DOCUMENT v3.19.1
Restricted Stock Units (RSU) (Details)
Feb. 24, 2017
shares
Restricted Stock Units (RSUs) [Member]  
Restricted Stock Units (RSU) (Details) [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 625,000