Segment Disclosures - Summary Information for the Reportable Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 property	Jan. 31, 2020 property
Segment Disclosure
Property count | property						15
Tax benefit recognized in conjunction with internal restructuring activities				$ 51,000
Tax benefit recognized from CARES Act				3,600
Tax expense related to a change in the deferred tax valuation allowance		$ 31,000		31,000
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	$ 481,465	423,565	$ 1,412,979	1,213,178
Government grant income	15	1,761	1,412	13,632
Less: Interest income	(6,748)	(4,443)	(31,869)	(12,361)
Healthpeak’s share of unconsolidated joint venture total revenues	19,367	22,847	63,937	89,537
Healthpeak’s share of unconsolidated joint venture government grant income	0	295	1,010	1,099
Noncontrolling interests’ share of consolidated joint venture total revenues	(9,036)	(8,854)	(26,926)	(25,950)
Operating expenses	(202,139)	(183,141)	(574,032)	(598,326)
Healthpeak’s share of unconsolidated joint venture operating expenses	(14,250)	(18,578)	(47,712)	(68,950)
Noncontrolling interests’ share of consolidated joint venture operating expenses	2,684	2,648	7,780	7,790
Adjustments to NOI	(14,023)	(8,312)	(40,794)	74,800
Adjusted NOI	257,335	227,788	765,785	694,449
Plus: Adjustments to NOI	14,023	8,312	40,794	(74,800)
Interest income	6,748	4,443	31,869	12,361
Interest expense	(35,905)	(53,734)	(121,429)	(164,248)
Depreciation and amortization	(177,175)	(141,971)	(506,172)	(406,774)
General and administrative	(23,270)	(21,661)	(72,260)	(67,730)
Transaction costs	0	(1,984)	(1,417)	(16,920)
Impairments and loan loss reserves	(285)	1,777	(4,458)	(16,167)
Gain (loss) on sales of real estate, net	14,635	2,283	189,873	85,636
Gain (loss) on debt extinguishments	(667)	(17,921)	(225,824)	(42,912)
Other income (expense), net	1,670	6,744	5,604	234,812
Less: Government grant income	(15)	(1,761)	(1,412)	(13,632)
Less: Healthpeak’s share of unconsolidated joint venture NOI	(5,117)	(4,564)	(17,235)	(21,686)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI	6,352	6,206	19,146	18,160
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	58,329	13,957	102,864	220,549
Income tax benefit (expense)	649	(22,970)	1,404	6,792
Equity income (loss) from unconsolidated joint ventures	2,327	(18,749)	4,517	(47,630)
Income (loss) from continuing operations	61,305	(27,762)	108,785	179,711
Income (loss) from discontinued operations	601	(31,819)	384,569	98,297
Net income (loss)	61,906	(59,581)	493,354	278,008
Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	481,465	423,565	1,412,979	1,213,178
Corporate Non-segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	0	0	0	0
Government grant income	0	0	0	0
Less: Interest income	0	0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues	0	0	0	0
Healthpeak’s share of unconsolidated joint venture government grant income	0	0	0	0
Noncontrolling interests’ share of consolidated joint venture total revenues	0	0	0	0
Operating expenses	0	0	0	0
Healthpeak’s share of unconsolidated joint venture operating expenses	0	0	0	0
Noncontrolling interests’ share of consolidated joint venture operating expenses	0	0	0	0
Adjustments to NOI	0	0	0	0
Adjusted NOI	0	0	0	0
Plus: Adjustments to NOI	0	0	0	0
Interest income	0	0	0	0
Interest expense	(32,819)	(51,594)	(113,470)	(158,510)
Depreciation and amortization	0	0	0	0
General and administrative	(23,270)	(21,661)	(72,260)	(67,730)
Transaction costs	0	0	0	0
Impairments and loan loss reserves	0	0	0	0
Gain (loss) on sales of real estate, net	0	0	0	0
Gain (loss) on debt extinguishments	(667)	(17,921)	(225,824)	(42,912)
Other income (expense), net	1,563	2,841	5,095	4,728
Less: Government grant income	0	0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI	0	0	0	0
Plus: Noncontrolling interests’ share of consolidated joint venture NOI	0	0	0	0
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	(55,193)	(88,335)	(406,459)	(264,424)
Income tax benefit (expense)	649	(22,970)	1,404	6,792
Equity income (loss) from unconsolidated joint ventures	0	0	0	0
Income (loss) from continuing operations	(54,544)	(111,305)	(405,055)	(257,632)
Income (loss) from discontinued operations	601	(31,819)	384,569	98,297
Net income (loss)	(53,943)	(143,124)	(20,486)	(159,335)
Life Science
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Depreciation and amortization	(9,000)		(22,000)
Income (loss) from continuing operations	(9,000)		(22,000)
Life Science | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	184,213	148,702	531,674	416,081
Government grant income	0	0	0	0
Less: Interest income	0	0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues	1,521	0	4,270	0
Healthpeak’s share of unconsolidated joint venture government grant income	0	0	0	0
Noncontrolling interests’ share of consolidated joint venture total revenues	(82)	(66)	(222)	(175)
Operating expenses	(44,923)	(36,714)	(125,108)	(101,120)
Healthpeak’s share of unconsolidated joint venture operating expenses	(463)	0	(1,316)	0
Noncontrolling interests’ share of consolidated joint venture operating expenses	25	18	66	53
Adjustments to NOI	(11,021)	(8,330)	(35,197)	(15,389)
Adjusted NOI	129,270	103,610	374,167	299,450
Plus: Adjustments to NOI	11,021	8,330	35,197	15,389
Interest income	0	0	0	0
Interest expense	(46)	(57)	(196)	(180)
Depreciation and amortization	(79,570)	(57,170)	(224,958)	(159,737)
General and administrative	0	0	0	0
Transaction costs	0	(79)	(11)	(80)
Impairments and loan loss reserves	0	0	0	0
Gain (loss) on sales of real estate, net	0	0	0	0
Gain (loss) on debt extinguishments	0	0	0	0
Other income (expense), net	22	0	54	0
Less: Government grant income	0	0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI	(1,058)	0	(2,954)	0
Plus: Noncontrolling interests’ share of consolidated joint venture NOI	57	48	156	122
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	59,696	54,682	181,455	154,964
Income tax benefit (expense)	0	0	0	0
Equity income (loss) from unconsolidated joint ventures	630	0	648	0
Income (loss) from continuing operations	60,326	54,682	182,103	154,964
Income (loss) from discontinued operations	0	0	0	0
Net income (loss)	60,326	54,682	182,103	154,964
Medical Office | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	171,482	155,381	496,978	463,866
Government grant income	0	0	0	0
Less: Interest income	0	0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues	737	699	2,162	2,085
Healthpeak’s share of unconsolidated joint venture government grant income	0	0	0	0
Noncontrolling interests’ share of consolidated joint venture total revenues	(8,954)	(8,788)	(26,704)	(25,775)
Operating expenses	(58,430)	(51,435)	(164,198)	(151,484)
Healthpeak’s share of unconsolidated joint venture operating expenses	(305)	(296)	(915)	(846)
Noncontrolling interests’ share of consolidated joint venture operating expenses	2,659	2,630	7,714	7,737
Adjustments to NOI	(3,626)	(1,729)	(7,553)	(3,188)
Adjusted NOI	103,563	96,462	307,484	292,395
Plus: Adjustments to NOI	3,626	1,729	7,553	3,188
Interest income	0	0	0	0
Interest expense	(1,104)	(100)	(1,985)	(302)
Depreciation and amortization	(66,189)	(54,693)	(187,512)	(165,265)
General and administrative	0	0	0	0
Transaction costs	0	0	(295)	0
Impairments and loan loss reserves	(1,952)	(1,208)	(1,952)	(6,033)
Gain (loss) on sales of real estate, net	14,635	2,283	189,873	85,676
Gain (loss) on debt extinguishments	0	0	0	0
Other income (expense), net	(30)	0	(2,483)	0
Less: Government grant income	0	0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI	(432)	(403)	(1,247)	(1,239)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI	6,295	6,158	18,990	18,038
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	58,412	50,228	328,426	226,458
Income tax benefit (expense)	0	0	0	0
Equity income (loss) from unconsolidated joint ventures	220	198	549	604
Income (loss) from continuing operations	58,632	50,426	328,975	227,062
Income (loss) from discontinued operations	0	0	0	0
Net income (loss)	58,632	50,426	328,975	227,062
CCRC | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	119,022	115,031	352,458	320,737
Government grant income	15	1,761	1,412	13,632
Less: Interest income	0	0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues	0	4,295	6,903	30,723
Healthpeak’s share of unconsolidated joint venture government grant income	0	246	200	780
Noncontrolling interests’ share of consolidated joint venture total revenues	0	0	0	0
Operating expenses	(98,799)	(94,992)	(284,739)	(345,722)
Healthpeak’s share of unconsolidated joint venture operating expenses	(32)	(4,797)	(6,985)	(27,660)
Noncontrolling interests’ share of consolidated joint venture operating expenses	0	0	0	0
Adjustments to NOI	724	1,684	1,971	93,263
Adjusted NOI	20,930	23,228	71,220	85,753
Plus: Adjustments to NOI	(724)	(1,684)	(1,971)	(93,263)
Interest income	0	0	0	0
Interest expense	(1,936)	(1,983)	(5,778)	(5,256)
Depreciation and amortization	(31,416)	(30,106)	(93,702)	(81,760)
General and administrative	0	0	0	0
Transaction costs	0	(1,897)	(1,090)	(16,739)
Impairments and loan loss reserves	0	0	0	0
Gain (loss) on sales of real estate, net	0	0	0	0
Gain (loss) on debt extinguishments	0	0	0	0
Other income (expense), net	114	3,903	2,456	188,377
Less: Government grant income	(15)	(1,761)	(1,412)	(13,632)
Less: Healthpeak’s share of unconsolidated joint venture NOI	32	256	(118)	(3,843)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI	0	0	0	0
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	(13,015)	(10,044)	(30,395)	59,637
Income tax benefit (expense)	0	0	0	0
Equity income (loss) from unconsolidated joint ventures	845	(322)	1,484	(1,801)
Income (loss) from continuing operations	(12,170)	(10,366)	(28,911)	57,836
Income (loss) from discontinued operations	0	0	0	0
Net income (loss)	(12,170)	(10,366)	(28,911)	57,836
Other non-reportable | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues	6,748	4,451	31,869	12,494
Government grant income	0	0	0	0
Less: Interest income	(6,748)	(4,443)	(31,869)	(12,361)
Healthpeak’s share of unconsolidated joint venture total revenues	17,109	17,853	50,602	56,729
Healthpeak’s share of unconsolidated joint venture government grant income	0	49	810	319
Noncontrolling interests’ share of consolidated joint venture total revenues	0	0	0	0
Operating expenses	13	0	13	0
Healthpeak’s share of unconsolidated joint venture operating expenses	(13,450)	(13,485)	(38,496)	(40,444)
Noncontrolling interests’ share of consolidated joint venture operating expenses	0	0	0	0
Adjustments to NOI	(100)	63	(15)	114
Adjusted NOI	3,572	4,488	12,914	16,851
Plus: Adjustments to NOI	100	(63)	15	(114)
Interest income	6,748	4,443	31,869	12,361
Interest expense	0	0	0	0
Depreciation and amortization	0	(2)	0	(12)
General and administrative	0	0	0	0
Transaction costs	0	(8)	(21)	(101)
Impairments and loan loss reserves	1,667	2,985	(2,506)	(10,134)
Gain (loss) on sales of real estate, net	0	0	0	(40)
Gain (loss) on debt extinguishments	0	0	0	0
Other income (expense), net	1	0	482	41,707
Less: Government grant income	0	0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI	(3,659)	(4,417)	(12,916)	(16,604)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI	0	0	0	0
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures	8,429	7,426	29,837	43,914
Income tax benefit (expense)	0	0	0	0
Equity income (loss) from unconsolidated joint ventures	632	(18,625)	1,836	(46,433)
Income (loss) from continuing operations	9,061	(11,199)	31,673	(2,519)
Income (loss) from discontinued operations	0	0	0	0
Net income (loss)	$ 9,061	$ (11,199)	$ 31,673	$ (2,519)
Lessor Asset Under Operating Lease | Other non-reportable
Segment Disclosure
Property count | property					1