CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Rental revenue	$ 30,574	$ 45,569	$ 69,464	$ 100,842
Total revenues	33,368	48,636	75,120	107,224
Expenses:
Operating expenses	10,974	19,521	26,754	44,120
Depreciation and amortization	7,561	13,021	16,146	26,924
General and administrative	9,533	11,222	21,629	24,561
Loss on asset impairment	0	0	0	12,087
Total expenses	28,068	43,764	64,529	107,692
Interest and other income, net	20,695	12,668	38,470	18,448
Interest expense (including net amortization of debt discounts, premiums and deferred financing fees of $154, $645, $319 and $1,446, respectively)	(4,070)	(6,350)	(8,276)	(16,465)
Loss on early extinguishment of debt	(6,374)	(1,536)	(6,374)	(6,403)
Gain on sale of properties, net	227,166	26,937	420,203	232,148
Income before income taxes	242,717	36,591	454,614	227,260
Income tax (expense) benefit	(340)	456	(1,640)	(2,551)
Net income	242,377	37,047	452,974	224,709
Net income attributable to noncontrolling interest	(91)	(14)	(170)	(77)
Net income attributable to Equity Commonwealth	242,286	37,033	452,804	224,632
Preferred distributions	(1,997)	(1,997)	(3,994)	(3,994)
Net income attributable to Equity Commonwealth common shareholders	$ 240,289	$ 35,036	$ 448,810	$ 220,638
Weighted average common shares outstanding — basic (in shares)	122,122	121,822	122,041	122,839
Weighted average common shares outstanding — diluted (in shares)	125,862	122,649	125,841	126,027
Earnings per common share attributable to Equity Commonwealth common shareholders:
Basic (in dollars per share)	$ 1.97	$ 0.29	$ 3.68	$ 1.80
Diluted (in dollars per share)	$ 1.93	$ 0.29	$ 3.60	$ 1.78
Other revenue
Revenues:
Other revenue	$ 2,794	$ 3,067	$ 5,656	$ 6,382