Earnings Per Common Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator
Net income (loss)	$ 282,540	$ 64,990
Noncontrolling interests' share in earnings	(3,460)	(3,520)
Net income (loss) attributable to Healthpeak Properties, Inc.	279,080	61,470
Less: Participating securities' share in earnings	(1,616)	(441)
Net income (loss) applicable to common shares	277,464	61,029
Add: distributions on dilutive convertible units and other	2,515	0
Dilutive net income (loss) available to common shares	$ 279,979	$ 61,029
Denominator
Basic weighted average shares outstanding (in shares)	506,476	477,766
Dilutive potential common shares - equity awards (in shares)	318	272
Dilutive potential common shares - forward equity agreements (in shares)	808	1,093
Dilutive potential common shares - DownREIT conversions (in shares)	7,443	0
Diluted weighted average common shares (in shares)	515,045	479,131
Earnings per common share:
Earnings per common share, basic (in dollars per share)	$ 0.55	$ 0.13
Earnings per common share, diluted (in dollars per share)	$ 0.54	$ 0.13
Forward sales agreements that have been settled (in shares)	32,000
Forward sales agreements that have not been settled (in shares)		19,000