XML 73 R63.htm IDEA: XBRL DOCUMENT v3.20.2
Capital Stock - Exercise of Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Equity [Abstract]    
Stock options exercised (shares) 32,749 529,187
Weighted average exercise price of stock options exercised (usd per share) $ 6.03 $ 5.37
Proceeds from exercises of stock options $ 197 $ 2,843