Noncontrolling Interest - Additional Information (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Noncontrolling Interest [Abstract]
Common stock, conversion term	6 months
Common stock, conversion basis	1
EQC Operating Trust
Noncontrolling Interest [Line Items]
Noncontrolling interest, weighted average ownership percentage by parent	99.75%	99.80%	99.82%