Calamos Convertible Equity Alternative ETF Calamos CEF Income & Arbitrage ETF Calamos Alternative Nasdaq & Bond ETF Calamos Convertible Equity Alternative ETF Calamos CEF Income & Arbitrage ETF Calamos Alternative Nasdaq & Bond ETF Calamos Convertible Equity Alternative ETF Calamos CEF Income & Arbitrage ETF Calamos Alternative Nasdaq & Bond ETF Authorized Participant Concentration Risk [Member] Convertible Securities Risk [Member] Costs of Buying and Selling Fund Shares [Member] Debt Securities Risk [Member] Default Risk [Member] Equity Securities Risk [Member] Foreign Securities Risk [Member] High Yield Risk [Member] Large-Capitalization Investing Risk [Member] Market Maker Risk [Member] Market Risk [Member] National Closed Market Trading Risk [Member] New Fund Risk [Member] Options Risk [Member] Portfolio Selection Risk [Member] Portfolio Turnover Risk [Member] Premium-Discount Risk [Member] Rule 144A Securities Risk [Member] Secondary Market Trading Risk [Member] Sector Risk [Member] Securities Lending Risk [Member] Small and Mid-Sized Company Risk [Member] Synthetic Convertible Instruments Risk [Member] Trading Issues Risk [Member] Anti-Takeover Provisions Risk [Member] Arbitrage Risk [Member] Business Development Company ("BDC") Risk [Member] Closed-End Funds Risk [Member] Covered Call Writing Risk [Member] Currency Risk [Member] Derivatives Risk [Member] Emerging Markets Risk [Member] ETF Risk [Member] Fund of Funds Risk [Member] Futures and Forward Contracts Risk [Member] Liquidity Risk [Member] MLP Risk [Member] MLP Tax Risk [Member] MLP Liquidity Risk [Member] Equity Securities of MLPs Risk [Member] Municipal Securities Risk [Member] Other Investment Companies (including closed-end funds [Member] Short Sale Risk [Member] Tax Risk [Member] FLEX Options Risk [Member] LEAPS Options Risk [Member] Liquidity Risk — FLEX Options [Member] Liquidity Risk — LEAPS Options [Member] Mortgage-related and Other Asset-backed Securities Risk [Member] Extension Risk [Member] Other Investment Companies (including ETFs) Risk [Member] Senior Loan Risk [Member] U.S. Government Security Risk [Member] Valuation Risk [Member] Interest Rate Risk [Member] Credit Risk [Member] Prepayment Risk [Member] Debt Securities Risk Member Options Risk Member doc_ Calamos_ Alternative_ Nasdaq_ Bond_ ETFMember Trading Issues Risk Member CreditRiskMember Equity Securities Of MLPs Risk Member MLPLiquidity Risk Member Emerging Markets Risk Member ETFRisk Member Other Investment Companiesincluding Closedend Funds Member Foreign Securities Risk Member Other Investment Companiesincluding ETFs Risk Member Small And Mid Sized Company Risk Member LEAPSOptions Risk Member Portfolio Turnover Risk Member Currency Risk Member USGovernment Security Risk Member Covered Call Writing Risk Member Derivatives Risk Member Equity Securities Risk Member Rule144 ASecurities Risk Member S000083148 Member Liquidity Risk LEAPSOptions Member Costs Of Buying And Selling Fund Shares Member S000081270 Member PrepaymentRiskMember Authorized Participant Concentration Risk Member Default Risk Member Anti Takeover Provisions Risk Member Premium Discount Risk Member doc_ Calamos_ Convertible_ Equity_ Alternative_ ETFMember Business Development Company BDCRisk Member MLPRisk Member Fund Of Funds Risk Member Market Maker Risk Member Short Sale Risk Member Tax Risk Member Sector Risk Member New Fund Risk Member C000247126 Member Municipal Securities Risk Member Senior Loan Risk Member Liquidity Risk Member FLEXOptions Risk Member Market Risk Member Extension Risk Member Closed End Funds Risk Member Large Capitalization Investing Risk Member National Closed Market Trading Risk Member Liquidity Risk FLEXOptions Member doc_ Calamos_ CEF_ Income_ Arbitrage_ ETFMember High Yield Risk Member C000246662 Member Convertible Securities Risk Member C000243953 Member Secondary Market Trading Risk Member Valuation Risk Member InterestRateRiskMember Arbitrage Risk Member S000083476 Member Synthetic Convertible Instruments Risk Member Securities Lending Risk Member MLPTax Risk Member Mortgagerelated And Other Assetbacked Securities Risk Member Portfolio Selection Risk Member Futures And Forward Contracts Risk Member