Segment Disclosures - Summary Information for the Reportable Segments (Details) $ in Thousands	1 Months Ended		3 Months Ended			9 Months Ended
	Jul. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)	Sep. 30, 2022 USD ($) property	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) property	Sep. 30, 2021 USD ($)
Segment Disclosure
Number of facilities owned by unconsolidated joint venture | property			19			19
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues			$ 520,406		$ 481,465	$ 1,536,710	$ 1,412,979
Government grant income			4		15	6,765	1,412
Less: Interest income			(5,963)		(6,748)	(16,950)	(31,869)
Healthpeak’s share of unconsolidated joint venture total revenues			22,350		19,367	62,804	63,937
Healthpeak’s share of unconsolidated joint venture government grant income			183			831	1,010
Noncontrolling interests’ share of consolidated joint venture total revenues			(9,023)		(9,036)	(26,906)	(26,926)
Operating expenses			(220,208)		(202,139)	(642,499)	(574,032)
Healthpeak’s share of unconsolidated joint venture operating expenses			(15,689)		(14,250)	(45,460)	(47,712)
Noncontrolling interests’ share of consolidated joint venture operating expenses			2,579		2,684	7,945	7,780
Adjustments to NOI			(19,224)		(14,023)	(61,431)	(40,794)
Adjusted NOI			275,415		257,335	821,809	765,785
Plus: Adjustments to NOI			19,224		14,023	61,431	40,794
Interest income			5,963		6,748	16,950	31,869
Interest expense			(44,078)		(35,905)	(123,531)	(121,429)
Depreciation and amortization			(173,190)		(177,175)	(531,412)	(506,172)
General and administrative			(24,549)		(23,270)	(73,161)	(72,260)
Transaction costs			(728)		0	(1,636)	(1,417)
Impairments and loan loss reserves			(3,407)		(285)	(3,678)	(4,458)
Gain (loss) on sales of real estate, net			(4,149)		14,635	10,047	189,873
Gain (loss) on debt extinguishments			0		(667)	0	(225,824)
Other income (expense), net			305,678		1,670	326,855	5,604
Less: Government grant income			(4)		(15)	(6,765)	(1,412)
Less: Healthpeak’s share of unconsolidated joint venture NOI			(6,844)		(5,117)	(18,175)	(17,235)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI			6,444		6,352	18,961	19,146
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures			355,775		58,329	497,695	102,864
Income tax benefit (expense)			3,834		649	3,775	1,404
Equity income (loss) from unconsolidated joint ventures			(325)		2,327	2,141	4,517
Income (loss) from continuing operations			359,284		61,305	503,611	108,785
Income (loss) from discontinued operations			(1,298)		601	2,011	384,569
Net income (loss)			357,986		61,906	505,622	493,354
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
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			(40,227)		(32,819)	(112,971)	(113,470)
Depreciation and amortization			0		0	0	0
General and administrative			(24,549)		(23,270)	(73,161)	(72,260)
Transaction costs			0			(443)	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)		(225,824)
Other income (expense), net			698		1,563	2,527	5,095
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			(64,078)		(55,193)	(184,048)	(406,459)
Income tax benefit (expense)			3,834		649	3,775	1,404
Equity income (loss) from unconsolidated joint ventures			0		0	0	0
Income (loss) from continuing operations			(60,244)		(54,544)	(180,273)	(405,055)
Income (loss) from discontinued operations			(1,298)		601	2,011	384,569
Net income (loss)			(61,542)		(53,943)	(178,262)	(20,486)
Life Science
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Gain (loss) on sales of real estate, net		$ 4,000
Life Science | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues			207,795		184,213	609,620	531,674
Government grant income			0		0	0	0
Less: Interest income			0		0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues			2,938		1,521	5,637	4,270
Healthpeak’s share of unconsolidated joint venture government grant income			0			0	0
Noncontrolling interests’ share of consolidated joint venture total revenues			(55)		(82)	(174)	(222)
Operating expenses			(55,162)		(44,923)	(152,796)	(125,108)
Healthpeak’s share of unconsolidated joint venture operating expenses			(777)		(463)	(1,744)	(1,316)
Noncontrolling interests’ share of consolidated joint venture operating expenses			21		25	59	66
Adjustments to NOI			(15,221)		(11,021)	(50,977)	(35,197)
Adjusted NOI			139,539		129,270	409,625	374,167
Plus: Adjustments to NOI			15,221		11,021	50,977	35,197
Interest income			0		0	0	0
Interest expense			0		(46)	0	(196)
Depreciation and amortization			(70,141)		(79,570)	(227,952)	(224,958)
General and administrative			0		0	0	0
Transaction costs			(40)			(367)	(11)
Impairments and loan loss reserves			0		0	0	0
Gain (loss) on sales of real estate, net			0		0	3,856	0
Gain (loss) on debt extinguishments					0		0
Other income (expense), net			311,912		22	311,932	54
Less: Government grant income			0		0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI			(2,161)		(1,058)	(3,893)	(2,954)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI			34		57	115	156
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures			394,364		59,696	544,293	181,455
Income tax benefit (expense)			0		0	0	0
Equity income (loss) from unconsolidated joint ventures			(877)		630	237	648
Income (loss) from continuing operations			393,487		60,326	544,530	182,103
Income (loss) from discontinued operations			0		0	0	0
Net income (loss)			393,487		60,326	544,530	182,103
Medical Office
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Gain (loss) on sales of real estate, net	$ 1,000			$ 10,000
Medical Office | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues			184,506		171,482	541,078	496,978
Government grant income			0		0	0	0
Less: Interest income			0		0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues			756		737	2,249	2,162
Healthpeak’s share of unconsolidated joint venture government grant income			0			0	0
Noncontrolling interests’ share of consolidated joint venture total revenues			(8,968)		(8,954)	(26,732)	(26,704)
Operating expenses			(64,782)		(58,430)	(189,274)	(164,198)
Healthpeak’s share of unconsolidated joint venture operating expenses			(313)		(305)	(912)	(915)
Noncontrolling interests’ share of consolidated joint venture operating expenses			2,558		2,659	7,886	7,714
Adjustments to NOI			(4,079)		(3,626)	(10,574)	(7,553)
Adjusted NOI			109,678		103,563	323,721	307,484
Plus: Adjustments to NOI			4,079		3,626	10,574	7,553
Interest income			0		0	0	0
Interest expense			(1,964)		(1,104)	(4,931)	(1,985)
Depreciation and amortization			(70,917)		(66,189)	(207,563)	(187,512)
General and administrative			0		0	0	0
Transaction costs			(94)			(168)	(295)
Impairments and loan loss reserves			0		(1,952)	0	(1,952)
Gain (loss) on sales of real estate, net			554		14,635	10,894	189,873
Gain (loss) on debt extinguishments					0		0
Other income (expense), net			154		(30)	12,354	(2,483)
Less: Government grant income			0		0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI			(443)		(432)	(1,337)	(1,247)
Plus: Noncontrolling interests’ share of consolidated joint venture NOI			6,410		6,295	18,846	18,990
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures			47,457		58,412	162,390	328,426
Income tax benefit (expense)			0		0	0	0
Equity income (loss) from unconsolidated joint ventures			206		220	617	549
Income (loss) from continuing operations			47,663		58,632	163,007	328,975
Income (loss) from discontinued operations			0		0	0	0
Net income (loss)			47,663		58,632	163,007	328,975
CCRC | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues			122,142		119,022	369,062	352,458
Government grant income			4		15	6,765	1,412
Less: Interest income			0		0	0	0
Healthpeak’s share of unconsolidated joint venture total revenues			0		0	0	6,903
Healthpeak’s share of unconsolidated joint venture government grant income			0			334	200
Noncontrolling interests’ share of consolidated joint venture total revenues			0		0	0	0
Operating expenses			(100,264)		(98,799)	(300,429)	(284,739)
Healthpeak’s share of unconsolidated joint venture operating expenses			0		(32)	0	(6,985)
Noncontrolling interests’ share of consolidated joint venture operating expenses			0		0	0	0
Adjustments to NOI			0		724	0	1,971
Adjusted NOI			21,882		20,930	75,732	71,220
Plus: Adjustments to NOI			0		(724)	0	(1,971)
Interest income			0		0	0	0
Interest expense			(1,887)		(1,936)	(5,629)	(5,778)
Depreciation and amortization			(32,132)		(31,416)	(95,897)	(93,702)
General and administrative			0		0	0	0
Transaction costs			(594)			(658)	(1,090)
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
Other income (expense), net			(7,086)		114	55	2,456
Less: Government grant income			(4)		(15)	(6,765)	(1,412)
Less: Healthpeak’s share of unconsolidated joint venture NOI			0		32	(334)	(118)
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			(19,821)		(13,015)	(33,496)	(30,395)
Income tax benefit (expense)			0		0	0	0
Equity income (loss) from unconsolidated joint ventures			0		845	539	1,484
Income (loss) from continuing operations			(19,821)		(12,170)	(32,957)	(28,911)
Income (loss) from discontinued operations			0		0	0	0
Net income (loss)			(19,821)		(12,170)	(32,957)	(28,911)
Other Non-reportable | Operating Segment
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Total revenues			5,963		6,748	16,950	31,869
Government grant income			0		0	0	0
Less: Interest income			(5,963)		(6,748)	(16,950)	(31,869)
Healthpeak’s share of unconsolidated joint venture total revenues			18,656		17,109	54,918	50,602
Healthpeak’s share of unconsolidated joint venture government grant income			183			497	810
Noncontrolling interests’ share of consolidated joint venture total revenues			0		0	0	0
Operating expenses			0		13	0	13
Healthpeak’s share of unconsolidated joint venture operating expenses			(14,599)		(13,450)	(42,804)	(38,496)
Noncontrolling interests’ share of consolidated joint venture operating expenses			0		0	0	0
Adjustments to NOI			76		(100)	120	(15)
Adjusted NOI			4,316		3,572	12,731	12,914
Plus: Adjustments to NOI			(76)		100	(120)	15
Interest income			5,963		6,748	16,950	31,869
Interest expense			0		0	0	0
Depreciation and amortization			0		0	0	0
General and administrative			0		0	0	0
Transaction costs			0			0	(21)
Impairments and loan loss reserves			(3,407)		1,667	(3,678)	(2,506)
Gain (loss) on sales of real estate, net			(4,703)		0	(4,703)	0
Gain (loss) on debt extinguishments					0		0
Other income (expense), net			0		1	(13)	482
Less: Government grant income			0		0	0	0
Less: Healthpeak’s share of unconsolidated joint venture NOI			(4,240)		(3,659)	(12,611)	(12,916)
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			(2,147)		8,429	8,556	29,837
Income tax benefit (expense)			0		0	0	0
Equity income (loss) from unconsolidated joint ventures			346		632	748	1,836
Income (loss) from continuing operations			(1,801)		9,061	9,304	31,673
Income (loss) from discontinued operations			0		0	0	0
Net income (loss)			$ (1,801)		$ 9,061	$ 9,304	$ 31,673