Earnings Per Common Share - Computation of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator
Income (loss) from continuing operations	$ 359,284	$ 61,305	$ 503,611	$ 108,785
Noncontrolling interests' share in continuing operations	(4,016)	(7,195)	(11,701)	(14,036)
Income (loss) from continuing operations attributable to Healthpeak Properties, Inc.	355,268	54,110	491,910	94,749
Less: Participating securities' share in continuing operations	(604)	(269)	(2,523)	(3,001)
Income (loss) from continuing operations applicable to common shares	354,664	53,841	489,387	91,748
Income (loss) from discontinued operations	(1,298)	601	2,011	384,569
Noncontrolling interests' share in discontinued operations	0	0	0	(2,539)
Net income (loss) applicable to common shares	353,366	54,442	491,398	473,778
Add: distributions on dilutive convertible units and other	2,355	0	4,943	0
Dilutive net income (loss) available to common shares	$ 355,721	$ 54,442	$ 496,341	$ 473,778
Denominator
Basic weighted average shares outstanding (in shares)	538,417	539,021	539,105	538,879
Dilutive potential common shares - equity awards (in shares)	281	367	255	280
Dilutive potential common shares - DownREIT conversions (in shares)	7,317	0	5,492	0
Diluted weighted average common shares (in shares)	546,015	539,388	544,852	539,159
Basic earnings (loss) per common share
Continuing operations (in dollars per share)	$ 0.66	$ 0.10	$ 0.91	$ 0.17
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.71
Net income (loss) applicable to common shares (in dollars per share)	0.66	0.10	0.91	0.88
Diluted earnings (loss) per common share
Continuing operations (in dollars per share)	0.65	0.10	0.91	0.17
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.71
Net income (loss) applicable to common shares (in dollars per share)	$ 0.65	$ 0.10	$ 0.91	$ 0.88
Outstanding equity awards (in shares)	1,000	1,000	1,000	1,000