Earnings Per Common Share - Computation of EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator
Income (loss) from continuing operations	$ 75,026	$ (120,585)
Noncontrolling interests' share in continuing operations	(3,730)	(3,306)
Income (loss) from continuing operations attributable to Healthpeak Properties, Inc.	71,296	(123,891)
Less: Participating securities' share in continuing operations	(1,976)	(2,451)
Income (loss) from continuing operations applicable to common shares	69,320	(126,342)
Income (loss) from discontinued operations	317	270,008
Noncontrolling interests' share in discontinued operations	0	(329)
Net income (loss) applicable to common shares	$ 69,637	$ 143,337
Denominator
Basic weighted average shares outstanding (in shares)	539,352,000	538,679,000
Dilutive potential common shares - equity awards (in shares)	234,000	0
Diluted weighted average common shares (in shares)	539,586,000	538,679,000
Basic earnings (loss) per common share
Continuing operations (in dollars per share)	$ 0.13	$ (0.23)
Discontinued operations (in dollars per share)	0.00	0.50
Net income (loss) applicable to common shares (in dollars per share)	0.13	0.27
Diluted earnings (loss) per common share
Continuing operations (in dollars per share)	0.13	(0.23)
Discontinued operations (in dollars per share)	0.00	0.50
Net income (loss) applicable to common shares (in dollars per share)	$ 0.13	$ 0.27
Outstanding equity awards (in shares)	1,000,000	1,000,000
Shares of anti-dilutive securities excluded from earnings per share calculation (in shares)	9,100,000
Forward sales agreements that have been settled (in shares)		0