XML 78 R64.htm IDEA: XBRL DOCUMENT
v3.20.4

Dispositions of Real Estate and Discontinued Operations - 2020 Dispositions of Real Estate (Details) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 31, 2020 USD ($) property | Feb. 28, 2021 USD ($) property | Jan. 31, 2021 USD ($) property | Dec. 31, 2020 USD ($) property | Nov. 30, 2020 USD ($) property | Oct. 31, 2020 USD ($) property | Dec. 31, 2018 property | Dec. 31, 2020 USD ($) property | Dec. 31, 2019 USD ($) property | Dec. 31, 2018 USD ($) property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 335,709,000
Gain (loss) on sales of real estate, net |  |  |  |  |  |  |  | 90,350,000 | (40,000) | 831,368,000
Spinoff |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Gain (loss) on sales of real estate, net |  |  |  |  |  |  |  | 193,000,000 | 23,000,000 | 55,000,000
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Abandonment [Member] |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Gain (loss) on sales of real estate, net |  |  |  |  |  |  |  | $ 283,000,000 | $ 30,000,000 | 141,000,000
Brookedale MTCA |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Gain (loss) on sales of real estate, net | $ 164,000,000 |  |  |  |  |  |  |  |  |
Number of properties disposed | property | 18 |  |  |  |  |  |  | 18 | 18 |
Senior Housing Triple Net |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  | 21 |  |
Proceeds from sale of buildings |  |  |  |  |  |  |  | $ 428,000,000 | $ 26,000,000 | 35,000,000
Senior Housing Triple Net | Aegis NNN Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  | $ 358,000,000 |  |  |  |  |  |
Gain (loss) on sales of real estate, net |  |  |  | $ 228,000,000 |  |  |  |  |  |
Senior Housing Triple Net | Brookdale Triple Net Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  | $ 510,000,000 |  |  |  |  |  |  |
Senior Housing Triple Net | HRA Triple Net Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  | $ 132,000,000 |  |  |  |  |  |  |  |
Atria SHOP Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  | 13 |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  | $ 334,000,000 |  |  |  |  |
Senior Housing Operating Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  |  |  |  | 190,000,000 | 181,000,000 | 394,000,000
Senior Housing Operating Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  | $ 230,000,000 |  |  |  |  |  |  |
Senior Housing Operating Portfolio | Atria SHOP Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  | 12 |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  | $ 312,000,000 |  |  |  |  |  |
Gain (loss) on sales of real estate, net |  |  |  | $ 39,000,000 |  |  |  |  |  |
Brookedale MTCA |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  | 19 |  |  |
Medical Office |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  |  |  |  | 136,000,000 | $ 28,000,000 | $ 25,000,000
MOB Land Parcels |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  |  |  |  | $ 3,000,000 |  |
Senior Housing Triple Net |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  |  | 2 | 2
Senior Housing Triple Net | Aegis NNN Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  | 10 |  |  |  |  |  |
Senior Housing Triple Net | Sunrise Senior Housing Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  | 2 |  |  |  |  |
Senior Housing Triple Net | Sunrise Senior Housing Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  | 2 |  |  |  |  |  |  |
Senior Housing Triple Net | Brookdale Triple Net Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  | 24 |  |  |  |  |  |  |
Senior Housing Triple Net | HRA Triple Net Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  | 8 |  |  |  |  |  |  |  |
Medical Office |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  | 11 | 11 | 4
Medical Office | San Diego |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  | 3 |  |
Senior Housing Operating Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  | 23 | 18 | 23
Senior Housing Operating Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  | 16 |  |  |  |  |  |  |
Senior Housing Operating Portfolio | Sunrise Senior Housing Portfolio | Subsequent Event |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  | 32 |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  | $ 664,000,000 |  |  |  |  |  |  |
Senior Housing Operating Portfolio | Sunrise Senior Housing Portfolio | Definitive Agreement Four |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  | $ 744,000,000 |  |  |  |  |
Proceeds from deposits on real estate sales |  |  |  |  | $ 35,000,000 |  |  |  |  |
Senior Housing Operating Portfolio | SLC SHOP Portfolio |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  | 7 |  |  |  |
Senior Housing Operating Portfolio | SLC SHOP Portfolio | Definitive Agreement Four |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  |  | $ 115,000,000 |  |  |  |
Proceeds from deposits on real estate sales |  |  |  |  |  | $ 3,000,000 |  |  |  |
Senior Housing Operating Portfolio | Brookedale MTCA |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  | 8 |  |  |
Other Non-Reporting Segment |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  | 1 |  |
Proceeds from sale of buildings |  |  |  |  |  |  |  | $ 1,000,000 |  |
MOB Land Parcels |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  |  |  | 2 |  |

X
- Definition Represents the number of properties sold during the period, not categorized as discontinued operations. + References No definition available. + Details
Name: | peak_DispositionOfPropertiesSoldNumber
Namespace Prefix: | peak_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Properties To Be Sold + References No definition available. + Details
Name: | peak_NumberOfPropertiesToBeSold
Namespace Prefix: | peak_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(9)(a)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 360 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=117337411&loc=d3e23528-158515 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(7)(c)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(14)(d)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 360 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117337397&loc=d3e23439-158514 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 360 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117337397&loc=d3e23415-158514 + Details
Name: | us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash inflow related to amounts received in advance from a potential buyer showing or confirming an intention to complete an acquisition of land, buildings, other structures, or any item classified as real estate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromDepositsOnRealEstateSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from sale of buildings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfBuildings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfByMeansOtherThanSaleNotDiscontinuedOperationsSpinoffMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfByMeansOtherThanSaleNotDiscontinuedOperationsAbandonmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=peak_BrookdaleMTCAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_SeniorHousingTripleNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=peak_AegisNNNPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=peak_BrookdaleTripleNetPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=peak_HRATripleNetPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_AtriaSHOPPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_SeniorHousingOperatingPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=peak_AtriaSHOPPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_BrookdaleMTCAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_MedicalOfficeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_MOBLandParcelsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=peak_SeniorHousingTripleNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=peak_SunriseSeniorHousingPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=peak_MedicalOfficeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=peak_SanDiegoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=peak_SeniorHousingOperatingPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | peak_DefinitiveAgreementsAxisAxis=peak_DefinitiveAgreementFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=peak_SLCSHOPPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=peak_OtherNonReportingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=peak_MOBLandParcelsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |