XML 126 R119.htm IDEA: XBRL DOCUMENT
v3.24.3

Redeemable Preferred Units - Additional Information (Details) - USD ($) | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2024 | Feb. 29, 2024 | Jan. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2023
Partnership issued preferred units |  |  |  | $ 77,500,000 | $ 82,500,000
Series A Preferred Units [Member] |  |  |  |  |
Distributions paid quarterly at annual fixed rate |  |  |  | 3.00% |
Partnership redeemed amount | $ 10,000,000 |  |  |  |
Partnership issued preferred units |  |  |  |  | 27,500,000
Series B Preferred Stock [Member] |  |  |  |  |
Partnership capital issued preferred units in exchange |  |  | $ 17,500,000 |  |
Partnership issued preferred units |  | $ 5,000,000 |  |  |
Series A-1 Preferred Units [Member] |  |  |  |  |
Distributions paid quarterly at annual fixed rate |  |  |  | 3.00% |
Partnership issued preferred units |  |  |  | $ 55,000,000 | $ 55,000,000
Series B Preferred Units [Member] |  |  |  |  |
Distributions paid quarterly at annual fixed rate |  |  |  | 5.75% |
Partnership issued preferred units |  |  |  | $ 22,500,000 |

X
- Definition Percentage of non-cumulative cash dividend. + References No definition available. + Details
Name: | ghi_PercentageOfNonCumulativeCashDividend
Namespace Prefix: | ghi_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total change in each class of partners' capital accounts during the year due to exchanges and conversions. Partners include general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountExchangesAndConversions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Monetary value of the issuance of new units of limited partnership interest in a private placement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountPrivatePlacementOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total change in each class of partners' capital accounts during the year due to redemptions and adjustments to redemption value. All partners include general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountRedemptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=ghi_SeriesA1PreferredUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=ghi_SeriesBPreferredUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |