CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Rental income	$ 92,722	$ 125,459	$ 324,345	$ 457,128
Tenant reimbursements and other income	21,910	33,749	72,789	118,829
Total revenues	114,632	159,208	397,134	575,957
Expenses:
Operating expenses	49,313	73,571	157,964	261,128
Depreciation and amortization	29,184	40,522	102,766	156,858
General and administrative	13,277	16,249	38,766	43,718
Loss on asset impairment	0	0	43,736	17,162
Total expenses	91,774	130,342	343,232	478,866
Operating income	22,858	28,866	53,902	97,091
Interest and other income	3,013	637	7,184	4,813
Interest expense (including net amortization of debt discounts, premiums and deferred financing fees of $948, $171, $2,880 and $23, respectively)	(21,427)	(25,111)	(65,074)	(82,926)
(Loss) gain on early extinguishment of debt	0	(3,887)	(118)	6,111
Foreign currency exchange loss	0	(9,809)	(5)	(8,953)
Gain on sale of properties	82,169	39,793	225,210	42,953
Income before income taxes	86,613	30,489	221,099	59,089
Income tax expense	(225)	(23)	(465)	(2,377)
Net income	86,388	30,466	220,634	56,712
Preferred distributions	(1,997)	(6,981)	(15,959)	(20,943)
Excess fair value of consideration paid over carrying value of preferred shares	0	0	(9,609)	0
Net income attributable to Equity Commonwealth common shareholders	$ 84,391	$ 23,485	$ 195,066	$ 35,769
Weighted average common shares outstanding — basic (in shares)	125,533	128,739	125,627	129,386
Weighted average common shares outstanding — diluted (in shares)	126,568	129,878	127,009	130,093
Earnings per common share attributable to Equity Commonwealth common shareholders:
Basic (in USD per share)	$ 0.67	$ 0.18	$ 1.55	$ 0.28
Diluted (in USD per share)	$ 0.67	$ 0.18	$ 1.54	$ 0.27