Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Summary of Unaudited Quarterly Results of Operations

The following is a summary of our unaudited quarterly results of operations for 2015 and 2014 (dollars in thousands):

	2015
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Total revenues	$	213,055	$	203,694	$	159,208	$	138,934
Net income attributable to Equity Commonwealth common shareholders	6,649		5,635		23,485		36,164
Net income attributable to Equity Commonwealth common shareholders per share—basic	0.05		0.04		0.18		0.29
Net income attributable to Equity Commonwealth common shareholders per share—diluted	0.05		0.04		0.18		0.28

The decrease in the third and fourth quarter 2015 total revenues and net income attributable to Equity Commonwealth common shareholders was primarily attributable to properties sold in the second, third and fourth quarters of 2015.

	2014
	First Quarter		Second Quarter			Third Quarter		Fourth Quarter
Total revenues	$	217,260	$	215,194		$	216,595	$	212,808
Net income (loss) attributable to Equity Commonwealth common shareholders	9,297		(17,802		)	149,759		(165,542		)
Net income (loss) attributable to Equity Commonwealth common shareholders per share—basic	0.08		(0.14		)	1.16		(1.28		)
Net income (loss) attributable to Equity Commonwealth common shareholders per share—diluted	0.08		(0.14		)	1.16		(1.28		)
Common distributions declared	0.25		—			—		—