Share Capital (Tables)

12 Months Ended

Dec. 31, 2016

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 periods indicated:

	2016		2015
Class A Stock outstanding, beginning of year	13,238,486		13,530,688
Issued pursuant to shared-based compensation plans (Note 15)	283,471		131,524
Repurchased and canceled pursuant to the stock buy-back	(260,862	)	(423,726	)
Class A Stock outstanding, end of year	13,261,095		13,238,486