XML 88 R81.htm IDEA: XBRL DOCUMENT
v3.24.3

Property Loans - Schedule of Property Loans Paid Down or Redeemed (Details) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Principal Proceeds | $ 80,895,334 | $ 88,226,286
Principal Outstanding at Date of Redemption | $ 23,073,000 |
Legacy Commons at Signal Hills [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-02 |
Principal Proceeds | $ 32,233,972 |
Osprey Village [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-02 |
Principal Proceeds | $ 14,998,296 |
Osprey Village Supplemental [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-02 |
Principal Proceeds | $ 4,600,000 |
Willow Place Apartments [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-02 |
Principal Proceeds | $ 18,875,606 |
Willow Place Apartments Supplemental [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-02 |
Principal Proceeds | $ 1,115,320 |
SoLa Impact Opportunity Zone Fund [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-03 |
Month Redeemed |  | 2023-05
Principal Proceeds | $ 500,000 | $ 3,790,000
Avistar (February 2013 Portfolio) [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-05 |
Principal Proceeds | $ 201,972 |
Avistar (June 2013 Portfolio) [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-05 |
Principal Proceeds | $ 251,622 |
Greens Property [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-02
Principal Proceeds |  | $ 850,000
Scharbauer Flats [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-02
Principal Proceeds |  | $ 10,773,236
Centennial Crossings [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-03
Principal Proceeds |  | $ 6,692,344
Magnolia Heights [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Repaid | 2024-09 |
Month Redeemed |  | 2023-06
Principal Proceeds | $ 8,118,546 | $ 2,181,454
Oasis at Twin Lakes [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-06
Principal Proceeds |  | $ 24,018,657
SoLa Impact Opportunity Zone Fund [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-08
Principal Proceeds |  | $ 1,165,000
Hilltop at Signal Hills [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-08
Principal Proceeds |  | $ 21,197,939
Centennial Crossings |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-09
Principal Proceeds |  | $ 17,557,656

X
- Definition Month and year of property loan redeemed. + References No definition available. + Details
Name: | ghi_MonthAndYearOfPropertyLoanRedeemed
Namespace Prefix: | ghi_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Month and year of property loan repaid. + References No definition available. + Details
Name: | ghi_MonthAndYearOfPropertyLoanRepaid
Namespace Prefix: | ghi_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage loans on real estate, redemption, face amount. + References No definition available. + Details
Name: | ghi_MortgageLoansOnRealEstateRedemptionFaceAmount
Namespace Prefix: | ghi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Proceeds from property loans. + References No definition available. + Details
Name: | ghi_ProceedsFromPropertyLoans
Namespace Prefix: | ghi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Property loans, net of loan loss allowance. + References No definition available. + Details
Name: | ghi_PropertyLoansNetOfLoanLossAllowanceLineItems
Namespace Prefix: | ghi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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

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

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

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ghi_AvistarPortfolio2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

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