XML 17 R59.htm IDEA: XBRL DOCUMENT v3.20.1
Capital Stock and Equity Awards - Equity Incentive Plans (Details) - shares
Apr. 30, 2019
Mar. 31, 2020
2014 LTIP | Non-qualified stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Maximum number of shares available for issuance   4,171,150
Number of shares available for grant   1,404,379
2014 Director Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Maximum number of shares available for issuance   150,000
Number of shares available for grant   101,746
Increase in number of shares authorized for issuance (in shares) 100,000