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v3.25.3

Revenue - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenue from Contract with Customer [Abstract] |  |  |  |
Incentive fee revenue | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

X
- Definition Incentive Fee Revenue + References No definition available. + Details
Name: | chci_IncentiveFeeRevenue
Namespace Prefix: | chci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration