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		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator
Net income (loss)	$ 55,049	$ (9,980)	$ 337,589	$ 55,010
Noncontrolling interests' share in earnings	(3,543)	(3,617)	(7,003)	(7,137)
Net income (loss) attributable to Healthpeak Properties, Inc.	51,506	(13,597)	330,586	47,873
Less: Participating securities' share in earnings	(375)	(394)	(1,800)	(837)
Net income (loss) applicable to common shares	$ 51,131	$ (13,991)	$ 328,786	$ 47,036
Denominator
Basic weighted average shares outstanding (in shares)	538,262	478,739	522,427	478,260
Dilutive potential common shares - equity awards (in shares)	255	0	263	281
Dilutive potential common shares - forward equity agreements (in shares)	0	0	808	1,344
Diluted weighted average common shares (in shares)	538,517	478,739	523,498	479,885
Earnings (loss) per common share:
Earnings per common share, basic (in dollars per share)	$ 0.09	$ (0.03)	$ 0.63	$ 0.10
Earnings per common share, diluted (in dollars per share)	$ 0.09	$ (0.03)	$ 0.63	$ 0.10
Outstanding equity awards (in shares)	1,000	1,000	1,000	1,000
Forward sales agreements that have been settled (in shares)			32,000	7,000
Forward sales agreements that have not been settled (in shares)				22,000