Earnings Per Share Attributable to Stockholders (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share Attributable to Stockholders [Abstract]

Computation of Basic and Diluted Earnings Per Share

		Net income	WA
		attributable to	number		Per share
Three months ended March 31, 2017		stockholders	of shares		amount
Basic	$	10,377	106,851,595	$	0.10
Effect of dilutive securities:
PSUs		27	263,557		-
Stock options		-	673,797		-
Diluted	$	10,404	107,788,949	$	0.10

		Net income	WA
		attributable to	number		Per share
Three months ended March 31, 2016		stockholders	of 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