Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation and Other Compensation Matters (Details 5)

v3.10.0.1
Share-Based Compensation and Other Compensation Matters (Details 5) - Deferred Share Awards [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Deferred Share Awards Granted (in shares or units) 13,832 10,032 24,944
Aggregate Grant Date Fair Value $ 388 $ 326 $ 671
Grant Date Fair Value Per Share (in dollars per share) $ 28.08 $ 32.47 $ 26.89
Number of common shares issued (in shares) 5,515 15,590 12,028
Grant date fair value (in dollars per share) $ 29.32 $ 26.89 $ 26.70
Aggregate intrinsic value $ 154 $ 508 $ 322