Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (amounts in thousands except per share amounts):

	Three Months Ended March 31,
	2019			2018
Numerator for earnings per common share - basic:
Net income	$	210,597		$	187,662
Net income attributable to noncontrolling interest	(79		)	(63		)
Preferred distributions	(1,997		)	(1,997		)
Numerator for net income per share - basic	$	208,521		$	185,602
Numerator for earnings per common share - diluted:
Net income	$	210,597		$	187,662
Net income attributable to noncontrolling interests	(79		)	—
Numerator for net income per share - diluted	$	210,518		$	187,662
Denominator for earnings per common share - basic and diluted:
Weighted average number of common shares outstanding - basic(1)	121,960			123,867
RSUs(2)	1,124			730
LTIP Units(3)	175			136
OP Units(4)	—			1
Series D preferred shares; 6 1/2% cumulative convertible	2,563			2,363
Weighted average number of common shares outstanding - diluted	125,822			127,097
Net income per common share attributable to Equity Commonwealth common shareholders:
Basic	$	1.71		$	1.50
Diluted	$	1.67		$	1.48
Anti-dilutive securities:
Effect of LTIP Units	42			—
Effect of OP Units(4)	4			—

(1) The three months ended March 31, 2019 and 2018, includes 187 and 307 weighted-average, unvested, earned RSUs, respectively.

(2) Represents weighted-average number of common shares that would have been issued if the quarter-end was the measurement date for RSUs.

(3) Represents the weighted-average dilutive shares issuable from LTIP Units if the quarter-end was the measurement date for the periods shown.

(4) Beneficial interests in the Operating Trust.