Earnings Per Share

12 Months Ended

Dec. 31, 2020


16.			EARNINGS PER SHARE

Basic net income per share attributable to Sterling common stockholders is computed by dividing net income attributable to Sterling common stockholders by the weighted average number of common shares outstanding during the period. Diluted net income per common share attributable to Sterling common stockholders is the same as basic net income per share attributable to Sterling common stockholders but includes dilutive unvested stock awards and warrants using the treasury stock method. The following table reconciles the numerators and denominators of the basic and diluted per common share computations for net income attributable to Sterling common stockholders:


	Years Ended December 31,
	2020		2019		2018
Numerator:
Net income attributable to Sterling common stockholders	$	42,306	$	39,901	$	25,187
Denominator:
Weighted average common shares outstanding — basic	27,859		26,671		26,903
Shares for dilutive unvested stock and warrants	336		448		291
Weighted average common shares outstanding — diluted	28,195		27,119		27,194
Basic net income per share attributable to Sterling common stockholders	$	1.52	$	1.50	$	0.94
Diluted net income per share attributable to Sterling common stockholders	$	1.50	$	1.47	$	0.93