XML 84 R77.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Property Loans - Schedule of Property Loans Paid Down or Redeemed (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Principal Proceeds | $ 72,323,194 | $ 18,315,580
Principal Outstanding at Date of Redemption | $ 22,073,000 | $ 18,315,580
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 |
Principal Proceeds | $ 500,000 |
Greens Property [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-02
Principal Outstanding at Date of Redemption |  | $ 850,000
Scharbauer Flats [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-02
Principal Outstanding at Date of Redemption |  | $ 10,773,236
Centennial Crossings [Member] |  |
Property Loans Net Of Loan Loss Allowance [Line Items] |  |
Month Redeemed |  | 2023-03
Principal Outstanding at Date of Redemption |  | $ 6,692,344

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_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: |