Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2016

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 2016 and 2015 (dollars in thousands):

	2016
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Total revenues	$	137,135	$	145,367	$	114,632	$	103,546
Net income attributable to Equity Commonwealth common shareholders	39,421		71,254		84,391		10,263
Net income attributable to Equity Commonwealth common shareholders per share—basic	0.31		0.57		0.67		0.08
Net income attributable to Equity Commonwealth common shareholders per share—diluted	0.31		0.56		0.67		0.08

	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