Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings per Share [Abstract]

Summary of Basic and Diluted Earnings Per Share

The computation of basic and diluted net income per share is as follows (in thousands, except per share data):

	Year Ended
	December 31,
	2016		2015		2014
Numerator:
Net income available to common stockholders - basic	$	21,525	$	20,326	$	15,072
Effect of net income attributable to noncontrolling interests		3,160		3,803		4,031
Net income available to common stockholders - diluted	$	24,685	$	24,129	$	19,103
Denominator:
Weighted average shares outstanding - basic		46,206		37,568		29,055
Effect of Class A and Class RS partnership units *		6,783		7,029		7,770
Effect of Class O units and options to purchase Class A common stock on an "as if" converted basis *		973		756		309
Weighted average shares outstanding - diluted		53,962		45,353		37,134
Net income per share attributable to common stockholders - basic	$	0.47	$	0.54	$	0.52
Net income per share attributable to common stockholders - diluted	$	0.46	$	0.53	$	0.51