CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Rental revenue	$ 15,840	$ 14,169
Other revenue	846	682
Total revenues	16,686	14,851
Expenses:
Operating expenses	4,533	6,621
Depreciation and amortization	4,412	4,351
General and administrative	8,002	15,729
Total expenses	16,947	26,701
Interest and other income, net	1,574	1,843
Income (loss) before income taxes	1,313	(10,007)
Income tax expense	(8)	(31)
Net income (loss)	1,305	(10,038)
Net (income) loss attributable to noncontrolling interest	(3)	20
Net income (loss) attributable to Equity Commonwealth	1,302	(10,018)
Preferred distributions	(1,997)	(1,997)
Net loss attributable to Equity Commonwealth common shareholders	$ (695)	$ (12,015)
Weighted average common shares outstanding — basic (in shares)	113,740	122,002
Weighted average common shares outstanding — diluted (in shares)	113,740	122,002
Earnings per common share attributable to Equity Commonwealth common shareholders:
Basic (in dollars per share)	$ (0.01)	$ (0.10)
Diluted (in dollars per share)	$ (0.01)	$ (0.10)