XML 71 R58.htm IDEA: XBRL DOCUMENT v3.3.1.900
Share-Based Payments - Employee Stock Purchase Plan (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 12, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for offerings under the ESPP 485,033   500,000
ESPP, maximum percentage of employee participation 5.00%    
Number of shares that can be purchased (lesser of) 2,500    
Number of shares that can be purchased (lesser of), value $ 25    
Discount rate 15.00%    
Plan compensation expense $ 31 $ 0  
Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares purchased under ESPP plans 14,982 82