XML 50 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share-Based Compensation (Narrative Disclosures) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Number of shares available for grant 214,867   214,867  
Deferred compensation expense yet to be recognized $ 1,900   $ 1,900  
Period of time that deferred compensation expense will be recognized     2 years 7 months 12 days  
Share-based compensation $ 220 $ 268 $ 506 $ 544