XML 132 R125.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Transactions with Related Parties - Summary of Transactions Between Borrowers of Partnership's MRBs and Affiliates (Parenthetical) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Related Party Transactions [Abstract]
Rate for administration fees receivable	0.45%	0.45%	0.45%	0.45%

X

- Definition

Rate for administration fees - rate charged on the bonds and loans collateralized by the underlying properties for administration of the assets

+ References

No definition available.

+ Details

Name:	ghi_RateForAdministrationFees
Namespace Prefix:	ghi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration