XML 40 R30.htm IDEA: XBRL DOCUMENT
v3.24.3

Real Estate and Other Investments - Acquisitions and Dispositions Narrative (Details) $ in Thousands |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Nov. 04, 2024 USD ($) property | Nov. 04, 2024 USD ($) property | Mar. 31, 2024 USD ($) property | Sep. 30, 2024 USD ($) property | Sep. 30, 2023 USD ($)
Real Estate |  |  |  |  |
Number of properties acquired |  |  |  | 0 |
Number of properties owned (property) |  |  |  | 368 |
Redemption of senior notes | $ |  |  |  | $ 60,000 | $ 0
Subsequent Event | Senior Secured Note due 2026 |  |  |  |  |
Real Estate |  |  |  |  |
Redemption of senior notes | $ | $ 302,100 |  |  |  |
Disposed of by sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) |  |  |  | 4 |
Sales price | $ |  |  |  | $ 29,075 |
Disposed of by sale | Subsequent Event |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 1 | 1 |  |  |
Sales price | $ |  | $ 6,600 |  |  |
Held for sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) |  |  |  | 25 |
Held for sale | Senior Secured Note due 2026 |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) |  |  |  | 22 |
Sales price | $ |  |  |  | $ 302,100 |
Held for sale | Subsequent Event |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) | 28 | 28 |  |  |
Sales price | $ | $ 348,080 |  |  |  |
Medical Office | Arizona | Disposed of by sale |  |  |  |  |
Real Estate |  |  |  |  |
Number of properties owned (property) |  |  | 1 | 4 |
Sales price | $ |  |  | $ 3,600 | $ 29,075 |

X
- Definition Number Of Properties Acquired + References No definition available. + Details
Name: | dhc_NumberOfPropertiesAcquired
Namespace Prefix: | dhc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the aggregate sales price excluding closing costs, of real estate properties sold by the entity. + References No definition available. + Details
Name: | dhc_RealEstateAggregateSalesPrice
Namespace Prefix: | dhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 976 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477332/976-310-50-1 + Details
Name: | us-gaap_RealEstateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_RepaymentsOfSeniorDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=dhc_SeniorSecuredNoteDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=dhc_MedicalOfficeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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