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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator
Net income (loss)	$ (59,581)	$ (42,308)	$ 278,008	$ 12,702
Noncontrolling interests' share in earnings	(3,836)	(3,555)	(10,839)	(10,692)
Net income (loss) attributable to Healthpeak Properties, Inc.	(63,417)	(45,863)	267,169	2,010
Less: Participating securities' share in earnings	(351)	(386)	(2,151)	(1,223)
Net income (loss) applicable to common shares	$ (63,768)	$ (46,249)	$ 265,018	$ 787
Denominator
Basic weighted average shares outstanding (in shares)	538,333	491,203	527,908	482,595
Dilutive potential common shares - equity awards (in shares)	0	0	279	296
Dilutive potential common shares - forward equity agreements (in shares)	0	0	268	1,901
Diluted weighted average common shares (in shares)	538,333	491,203	528,455	484,792
Earnings (loss) per common share:
Basic (in dollars per share)	$ (0.12)	$ (0.09)	$ 0.50	$ 0.00
Diluted (in dollars per share)	$ (0.12)	$ (0.09)	$ 0.50	$ 0.00
Outstanding equity awards (in shares)	1,000	1,000	1,000	1,000
Forward sales agreements that have been settled (in shares)			32,000	11,000
Forward sales agreements that have not been settled (in shares)				19,000