Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Total revenues	$ 483,205	$ 481,465	$ 476,238	$ 455,276	$ 431,697	$ 423,565	$ 408,559	$ 381,054	$ 1,896,184	$ 1,644,875	$ 1,240,339
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	25,503	58,329	166,435	(121,900)	(2,866)	13,957	78,182	128,410	128,367	217,683	176,320
Income (loss) from continuing operations	28,943	61,305	168,065	(120,585)	(19,204)	(27,762)	60,341	147,132	137,728	160,507	175,469
Income (loss) from discontinued operations	3,633	601	113,960	270,008	169,449	(31,819)	(5,292)	135,408	388,202	267,746	(115,408)
Net income (loss)	32,576	61,906	282,025	149,423	150,245	(59,581)	55,049	282,540	525,930	428,253	60,061
Net income (loss) applicable to Healthpeak Properties, Inc.	$ 28,761	$ 54,711	$ 276,280	$ 145,788	$ 146,394	$ (63,417)	$ 51,506	$ 279,080	$ 505,540	$ 413,563	$ 45,530
Dividends paid per common share (in dollars per share)	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 0.37	$ 0.37	$ 0.37	$ 0.37
Basic earnings (loss) per common share:
Continuing operations (in dollars per share)	0.05	0.10	0.30	(0.23)	(0.04)	(0.06)	0.10	0.28	$ 0.22	$ 0.27	$ 0.33
Discontinued operations (in dollars per share)	0.00	0.00	0.21	0.50	0.31	(0.06)	(0.01)	0.27	0.71	0.50	(0.24)
Diluted earnings (loss) per common share:
Continuing operations (in dollars per share)	0.05	0.10	0.30	(0.23)	(0.04)	(0.06)	0.10	0.28	0.22	0.27	0.33
Discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.21	$ 0.50	$ 0.31	$ (0.06)	$ (0.01)	$ 0.26	$ 0.71	$ 0.50	$ (0.24)