Annual report pursuant to Section 13 and 15(d)

Share based compensation - Options Exercised (Details)

v3.8.0.1
Share based compensation - Options Exercised (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2015
Share based compensation        
Option Exercised (in shares) 0 1,142,904 63,192 0
Intrinsic value of stock options exercised   $ 1,522 $ 40  
Proceeds from exercise of stock options   401 17  
Tax benefit from stock option exercises $ 0 $ 73 $ 8 $ 0