XML 90 R79.htm IDEA: XBRL DOCUMENT v3.8.0.1
Share Incentive and Other Compensation - Employee 401 (k) Plan (Details)
3 Months Ended
Mar. 31, 2018
USD ($)
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Employer matching contribution 50.00%
Maximum annual contribution per employee 6.00%
Maximum employee annual salary contribution 15.00%
Maximum employee annual salary contribution amount $ 18,000