Hartford Hybrid and Credit Opportunities Fund S000034093 [Member] Class A C000105103 [Member] Class C C000105104 [Member] Class I C000105105 [Member] Class R3 C000105106 [Member] Class R4 C000105107 [Member] Class R5 C000105108 [Member] Class Y C000105109 [Member] Class F C000185761 [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] Large Shareholder Transaction Risk [Member]