Description of Business and Nature of Operations (Details)	Dec. 31, 2020 asset
Corporate Information and Statement of IFRS Compliance [Abstract]
Number of royalty, stream and gold loan assets	14
Number of currently producing mines	6

Description of Business and Nature of Operations [Abstract]

No definition available.

Name:	clhrf_CorporateInformationAndStatementOfIFRSComplianceAbstract
Namespace Prefix:	clhrf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration