Hartford Hybrid and Credit Opportunities ETF S000108643 [Member] C000279673 [Member] Return Before Taxes[Member] ICE BofA US All Capital Securities Index (reflects no deduction for fees, expenses or taxes)[Member] Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member] ICE BofA 1-3 Year BB-B US Cash Pay High Yield Index (reflects no deduction for fees, expenses or taxes)[Member] Market Risk [Member] Preferred and Other Hybrid Securities Risk [Member] Convertible Securities Risk [Member] Distribution Risk [Member] High Yield Investments Risk [Member] Loans And Loan Participations Risk [Member] Liquidity Risk [Member] Credit Risk [Member] Call Risk [Member] Counterparty Risk [Member] Derivatives Risk [Member] Leverage Risk [Member] Futures And Options Risk [Member] Swaps Risk [Member] Forward Currency Contracts Risk [Member] Event Risk [Member] Foreign Investments Risk [Member] Currency Risk [Member] Interest Rate Risk [Member] Restricted Securities Risk [Member] Volatility Risk [Member] Active Investment Management Risk [Member] US Government Securities Risk [Member] Active Trading Risk [Member] Market Price Risk [Member] Cash Transactions Risk [Member] Authorized Participant Concentration Risk [Member]