Share Capital (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Changes in Number of Shares of Class A Stock Outstanding

The following table reflects changes in the number of shares of Class A Stock outstanding for the years indicated:

	2020	2019
Class A Stock outstanding, beginning of year	12,698,703	12,941,809
Issued pursuant to share-based compensation plans (note 16)	401,597	80,143
Repurchased and canceled pursuant to the stock buy-back	(718,522)	(323,249)
Class A Stock outstanding, end of year	12,381,778	12,698,703