XML 56 R43.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Senior Living Community Management Agreements - Narrative (Details) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 01, 2022 USD ($) | Jun. 09, 2021 USD ($) unit community | Sep. 30, 2022 USD ($) community property | Sep. 30, 2021 USD ($) unit community | Sep. 30, 2022 USD ($) community property | Sep. 30, 2021 USD ($) unit community | Dec. 31, 2021 community unit
Number of properties (property) | property |  |  | 379 |  | 379 |  |
Affiliated Entity |  |  |  |  |  |  |
Lease income |  |  | $ 380 | $ 399 | $ 1,147 | $ 1,194 |
Five Star |  |  |  |  |  |  |
Property management agreement expense |  |  | 9,477 | 11,220 | 27,380 | 37,997 |
Related party transaction capitalized amount |  |  | 876 | 702 | 2,363 | 2,251 |
Five Star | Rehabilitation Services |  |  |  |  |  |  |
Expenses from transactions with related party |  |  | 1,590 | 1,508 | 5,242 | 9,579 |
Five Star | Operating Expense |  |  |  |  |  |  |
Property management agreement expense |  |  | 8,601 | 10,518 |  |  |
Related party transaction capitalized amount |  |  |  |  | 25,017 | 35,746 |
Five Star Management | Subsequent Event |  |  |  |  |  |  |
Termination fees paid | $ 350 |  |  |  |  |  |
Senior Living Communities | Third Party Investor |  |  |  |  |  |  |
Property management agreement expense |  |  | 5,108 | $ 1,678 | 15,434 | $ 1,678 |
Number of communities managed | community |  |  |  |  |  | 69 |
Senior Living Communities | Five Star |  |  |  |  |  |  |
Number of properties (property) | community |  | 120 |  |  |  |  |
Related party transactions, termination percentage |  | 10.00% |  |  |  |  |
Percentage target EBITDA of new management agreement not earned |  | 80.00% |  |  |  |  |
Senior Living Communities | Five Star | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations |  |  |  |  |  |  |
Number of properties (property) | community |  | 108 |  |  |  |  |
Number of property units (units) | unit |  | 7,500 |  | 4,800 |  | 4,800 | 7,340
Amounts of transaction |  | $ 682,000 | $ 220 | $ 3,123 | $ 1,665 | $ 15,037 |
Number of properties transitioned | community |  |  | 107 | 69 | 107 | 69 | 107
Senior Living Communities | Five Star | Closed |  |  |  |  |  |  |
Number of properties (property) | community |  |  |  |  |  |  | 108
Number of property units (units) | unit |  | 1,500 |  |  |  |  |
Senior Living Communities | Affiliated Entity | Five Star |  |  |  |  |  |  |
Number of communities managed | community |  |  |  |  | 120 | 159 |

X
- Definition Represents the number of communities managed by a related party. + References No definition available. + Details
Name: | dhc_NumberOfCommunitiesManagedByRelatedParty
Namespace Prefix: | dhc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Real Estate Properties Transitioned + References No definition available. + Details
Name: | dhc_NumberOfRealEstatePropertiesTransitioned
Namespace Prefix: | dhc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Related Party Termination Fees + References No definition available. + Details
Name: | dhc_RelatedPartyTerminationFees
Namespace Prefix: | dhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Transaction Capitalized Amount + References No definition available. + Details
Name: | dhc_RelatedPartyTransactionCapitalizedAmount
Namespace Prefix: | dhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses recognized during the period resulting from property management transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. + References No definition available. + Details
Name: | dhc_RelatedPartyTransactionExpensesFromPropertyManagementAgreementTransactionsWithRelatedParty
Namespace Prefix: | dhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Transaction, Percentage Target EBITDA Of New Management Agreement Not Earned + References No definition available. + Details
Name: | dhc_RelatedPartyTransactionPercentageTargetEBITDAOfNewManagementAgreementNotEarned
Namespace Prefix: | dhc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related Party Transactions, Termination Percentage + References No definition available. + Details
Name: | dhc_RelatedPartyTransactionsTerminationPercentage
Namespace Prefix: | dhc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 + Details
Name: | us-gaap_LeaseIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=srt_AffiliatedEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=dhc_FiveStarQualityCareIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=dhc_RehabilitationServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=dhc_FiveStarManagementMember
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: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=dhc_SeniorLivingCommunityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=dhc_ThirdPartyInvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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