Earnings Per Share Attributable to Stockholders (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share Attributable to Stockholders [Abstract]

Computation of Basic and Diluted Earnings Per Share

	Net income attributable			Per share
Three months ended March 31, 2016	to stockholders		Shares	amount
Basic	$	29,406	106,917,280	$	0.28
Effect of dilutive securities:
Stock options		-	241,730		(0.01)
Diluted	$	29,406	107,159,010	$	0.27

	Net income attributable			Per share
Three months ended March 31, 2015	to stockholders		Shares	amount
Basic	$	23,777	107,484,944	$	0.22
Effect of dilutive securities:
Stock options		-	323,004		-
Diluted	$	23,777	107,807,948	$	0.22