v3.26.1
Expense Example, No Redemption - Calamos High Income Opportunities Fund - Calamos High Income Opportunities Fund
Aug. 11, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 325
Expense Example, No Redemption, 3 Years 692
Expense Example, No Redemption, 5 Years 1,084
Expense Example, No Redemption, 10 Years 2,180
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 178
Expense Example, No Redemption, 3 Years 706
Expense Example, No Redemption, 5 Years 1,262
Expense Example, No Redemption, 10 Years 2,778
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 77
Expense Example, No Redemption, 3 Years 400
Expense Example, No Redemption, 5 Years 747
Expense Example, No Redemption, 10 Years $ 1,726