Earnings Per Common Share - Computation of EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator
Income (loss) from continuing operations	$ 69,301	$ 168,065	$ 144,327	$ 47,480
Noncontrolling interests' share in continuing operations	(3,955)	(3,535)	(7,685)	(6,841)
Income (loss) from continuing operations attributable to Healthpeak Properties, Inc.	65,346	164,530	136,642	40,639
Less: Participating securities' share in continuing operations	(281)	(287)	(2,258)	(2,732)
Income (loss) from continuing operations applicable to common shares	65,065	164,243	134,384	37,907
Income (loss) from discontinued operations	2,992	113,960	3,309	383,968
Noncontrolling interests' share in discontinued operations	0	(2,210)	0	(2,539)
Net income (loss) applicable to common shares	68,057	275,993	137,693	419,336
Add: distributions on dilutive convertible units and other	0	1,540	0	0
Dilutive net income (loss) available to common shares	$ 68,057	$ 277,533	$ 137,693	$ 419,336
Denominator
Basic weighted average shares outstanding (in shares)	539,558,000	538,929,000	539,456,000	538,805,000
Dilutive potential common shares - equity awards (in shares)	257,000	264,000	245,000	276,000
Dilutive potential common shares - DownREIT conversions (in shares)	0	5,501,000	0	0
Diluted weighted average common shares (in shares)	539,815,000	544,694,000	539,701,000	539,081,000
Basic earnings (loss) per common share
Continuing operations (in dollars per share)	$ 0.12	$ 0.30	$ 0.25	$ 0.07
Discontinued operations (in dollars per share)	0.01	0.21	0.01	0.71
Net income (loss) applicable to common shares (in dollars per share)	0.13	0.51	0.26	0.78
Diluted earnings (loss) per common share
Continuing operations (in dollars per share)	0.12	0.30	0.25	0.07
Discontinued operations (in dollars per share)	0.01	0.21	0.01	0.71
Net income (loss) applicable to common shares (in dollars per share)	$ 0.13	$ 0.51	$ 0.26	$ 0.78
Outstanding equity awards (in shares)	1,000,000	1,000,000	1,000,000	1,000,000
Shares of anti-dilutive securities excluded from earnings per share calculation (in shares)	9,100,000		9,100,000
Forward sales agreements that have been settled (in shares)		0		0
Total common shares attributable to REIT conversions		7,000,000