XML 38 R28.htm IDEA: XBRL DOCUMENT v3.24.3

Company Overview (Details)	Sep. 30, 2024 subsidiary
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of subsidiaries	4

X

- Definition

Number of Subsidiaries

+ References

No definition available.

+ Details

Name:	chci_NumberOfSubsidiaries
Namespace Prefix:	chci_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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