Share Capital (Tables)

3 Months Ended

Mar. 31, 2017

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:

	For the Three Months Ended March 31,
	2017		2016
Class A Stock outstanding, beginning of period	13,261,095		13,238,486
Issued pursuant to shared-based compensation plans	179,020		265,320
Repurchased and canceled pursuant to the stock buy-back	(257,783	)	(240,274	)
Class A Stock outstanding, end of period	13,182,332		13,263,532