Document and Entity Information	0 Months Ended
	Jun. 30, 2013
Risk/Return:
Document Type	485BPOS
Document Period End Date	Jun. 30, 2013
Registrant Name	CRM Mutual Fund Trust
Central Index Key	0001322252
Amendment Flag	false
Document Creation Date	Oct. 28, 2013
Document Effective Date	Oct. 28, 2013
Prospectus Date	Oct. 28, 2013
CRM SMALL CAP VALUE FUND | INSTITUTIONAL
Risk/Return:
Trading Symbol	CRISX
CRM SMALL CAP VALUE FUND | INVESTOR
Risk/Return:
Trading Symbol	CRMSX
CRM SMALL/MID CAP VALUE FUND | INSTITUTIONAL
Risk/Return:
Trading Symbol	CRIAX
CRM SMALL/MID CAP VALUE FUND | INVESTOR
Risk/Return:
Trading Symbol	CRMAX
CRM SMALL/MID CAP VALUE FUND | Advisor Shares
Risk/Return:
Trading Symbol	CRAAX
CRM MID CAP VALUE FUND | INSTITUTIONAL
Risk/Return:
Trading Symbol	CRIMX
CRM MID CAP VALUE FUND | INVESTOR
Risk/Return:
Trading Symbol	CRMMX
CRM LARGE CAP OPPORTUNITY FUND | INSTITUTIONAL
Risk/Return:
Trading Symbol	CRIGX
CRM LARGE CAP OPPORTUNITY FUND | INVESTOR
Risk/Return:
Trading Symbol	CRMGX
CRM LARGE CAP OPPORTUNITY FUND | Advisor Shares
Risk/Return:
Trading Symbol	CRAGX
CRM All Cap Value Fund | Investor Shares
Risk/Return:
Trading Symbol	CRMEX
CRM All Cap Value Fund | Institutional Shares
Risk/Return:
Trading Symbol	CRIEX
CRM All Cap Value Fund | Advisor Shares
Risk/Return:
Trading Symbol	CRAEX
CRM Global Opportunity Fund | Investor Shares
Risk/Return:
Trading Symbol	CRMWX
CRM Global Opportunity Fund | Institutional Shares
Risk/Return:
Trading Symbol	CRIWX
CRM International Opportunity Fund | Investor Shares
Risk/Return:
Trading Symbol	CRMIX
CRM International Opportunity Fund | Institutional Shares
Risk/Return:
Trading Symbol	CRIIX