Earnings per share of QTS Realty Trust, Inc. (Tables)

9 Months Ended

Sep. 30, 2017

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, and unaudited):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Numerator:
Net income available to common stockholders - basic	$	6,507	$	5,730	$	15,424	$	16,719
Effect of net income attributable to noncontrolling interests and income allocated to participating securities		684		808		1,496		2,485
Net income available to common stockholders	$	7,191	$	6,538	$	16,920	$	19,204
Denominator:
Weighted average shares outstanding - basic		48,714		47,855		47,862		45,651
Effect of Class A and Class RS partnership units		6,669		6,767		6,744		6,787
Effect of Class O units and options to purchase Class A common stock and restricted Class A common stock on an "as if" converted basis *		788		1,066		799		982
Weighted average shares outstanding - diluted		56,171		55,688		55,405		53,420
Basic net income per share	$	0.13	$	0.12	$	0.31	$	0.37
Diluted net income per share	$	0.13	$	0.12	$	0.31	$	0.36

* The Class A units and Class O units represent limited partnership interests in the Operating Partnership, and are described in more detail in Note 8.