Noncontrolling Interest (Tables)

9 Months Ended

Sep. 30, 2021

Noncontrolling Interest [Abstract]

Schedule of Issued and Outstanding Common Shares

The following table presents the changes in Equity Commonwealth’s issued and outstanding common shares and units for the nine months ended September 30, 2021:

	Common Shares	OP Units and LTIP Units	Total
Outstanding at January 1, 2021	121,522,555	243,516	121,766,071
Repurchase and surrender of shares	(676,086)	—	(676,086)
Share-based compensation grants and vesting, net of forfeitures	664,633	3,701	668,334
Outstanding at September 30, 2021	121,511,102	247,217	121,758,319
Noncontrolling ownership interest in the Operating Trust			0.20	%

Schedule of Issued and Outstanding Units

The following table presents the changes in Equity Commonwealth’s issued and outstanding common shares and units for the nine months ended September 30, 2021:

	Common Shares	OP Units and LTIP Units	Total
Outstanding at January 1, 2021	121,522,555	243,516	121,766,071
Repurchase and surrender of shares	(676,086)	—	(676,086)
Share-based compensation grants and vesting, net of forfeitures	664,633	3,701	668,334
Outstanding at September 30, 2021	121,511,102	247,217	121,758,319
Noncontrolling ownership interest in the Operating Trust			0.20	%