| Form N-CSR Cover | 12 Months Ended |
| Nov. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | MainGate Trust |
| Entity Central Index Key | 0001505064 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Nov. 30, 2024 |
| Shareholder Report | 12 Months Ended |
| Nov. 30, 2024 USD ($) $ / shares | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | MainGate Trust |
| Entity Central Index Key | 0001505064 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Nov. 30, 2024 |
| Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | MainGate MLP Fund |
| Class Name | Class A |
| Trading Symbol | AMLPX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the MainGate MLP Fund (the “Fund”) for the period of December 1, 2023, to November 30, 2024. |
| Shareholder Report Annual or Semi-Annual | annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.maingatefunds.com/individual_investors/fund_literature . You can also request this information by contacting us at 1-855-MLP-FUND (1-855-657-3863) . |
| Additional Information Phone Number | 1-855-MLP-FUND (1-855-657-3863) |
| Additional Information Website | https://www.maingatefunds.com/individual_investors/fund_literature |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE PAST YEAR? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $208 1.72% |
| Expenses Paid, Amount | $ 208 |
| Expense Ratio, Percent | 1.72% |
| Factors Affecting Performance [Text Block] | HOW DID THE FUND PERFORM DURING THE REPORTING PERIOD? • The MainGate MLP Fund (A) returned 41.29% for the 12 months ended November 30, 2024. • The MainGate MLP Fund (A) outperformed its primary benchmark, the S&P 500 TR Index, by 740 basis points for the 12 months ended November 30, 2024. • The MainGate MLP Fund (A) outperformed its secondary benchmark, the Alerian MLP Total Return Index, by 1,016 basis points for the 12 months ended November 30, 2024. • Performance reflected good, consistent earnings reports which showed high levels of free cash flow and debt to earnings before interest, taxes, depreciation and amortization (EBITDA) leverage metrics that remain consistently low. • We focused on companies that have communicated capital allocation priorities clearly. |
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not a good predictor of how the Fund will perform in the future. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | ANNUAL AVERAGE TOTAL RETURN (%) 1 Year 5 Year 10 Year Class A (without sales charge) 41.29 21.33 4.73 Class A (with sales charge) 33.15 19.92 4.11 S&P 500 TR 33.89 15.77 13.35 Alerian MLP Total Return Index 31.13 19.23 3.84 |
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. |
| Updated Performance Information Location [Text Block] | Visit https://www.maingatefunds.com/individual_investors/fund_literature for more recent performance information. Visit https://www.maingatefunds.com/individual_investors/fund_literature for more recent performance information. |
| Net Assets | $ 933,310,871 |
| Holdings Count | $ / shares | 18 |
| Advisory Fees Paid, Amount | $ 9,969,728 |
| Investment Company Portfolio Turnover | 15% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of November 30, 2024) Net Assets $933,310,871 Number of Holdings 18 Net Advisory Fee $9,969,728 Portfolio Turnover 15% |
| Holdings [Text Block] | Top 10 Issuers (%) Energy Transfer, L.P. 13.70% ONEOK, Inc. 12.30% MPLX, L.P. 12.20% Targa Resources Corp. 12.10% Western Midstream Partners, L.P. 11.60% Enterprise Products Partners, L.P. 7.60% EnLink Midstream, LLC 6.20% Plains GP Holdings, L.P. 5.10% Williams Companies, Inc. 4.30% Cheniere Energy, Inc. 4.10% |
| Updated Prospectus Web Address | https://www.maingatefunds.com/individual_investors/fund_literature |
| Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | MainGate MLP Fund |
| Class Name | Class C |
| Trading Symbol | MLCPX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the MainGate MLP Fund (the “Fund”) for the period of December 1, 2023, to November 30, 2024. |
| Shareholder Report Annual or Semi-Annual | annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.maingatefunds.com/individual_investors/fund_literature . You can also request this information by contacting us at 1-855-MLP-FUND (1-855-657-3863) . |
| Additional Information Phone Number | 1-855-MLP-FUND (1-855-657-3863) |
| Additional Information Website | https://www.maingatefunds.com/individual_investors/fund_literature |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE PAST YEAR? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $297 2.47% |
| Expenses Paid, Amount | $ 297 |
| Expense Ratio, Percent | 2.47% |
| Factors Affecting Performance [Text Block] | HOW DID THE FUND PERFORM DURING THE REPORTING PERIOD? • The MainGate MLP Fund (C) returned 40.15% for the 12 months ended November 30, 2024. • The MainGate MLP Fund (C) outperformed its primary benchmark, the S&P 500 TR Index, by 626 basis points for the 12 months ended November 30, 2024. • The MainGate MLP Fund (C) outperformed its secondary benchmark, the Alerian MLP Total Return Index, by 902 basis points for the 12 months ended November 30, 2024. • Performance reflected good, consistent earnings reports which showed high levels of free cash flow and debt to earnings before interest, taxes, depreciation and amortization (EBITDA) leverage metrics that remain consistently low. • We focused on companies that have communicated capital allocation priorities clearly. |
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not a good predictor of how the Fund will perform in the future. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | ANNUAL AVERAGE TOTAL RETURN (%) 1 Year 5 Year 10 Year Class C (without sales charge) 40.15 20.39 3.93 Class C (with sales charge) 39.15 20.39 3.93 S&P 500 TR 33.89 15.77 13.35 Alerian MLP Total Return Index 31.13 19.23 3.84 |
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. |
| Updated Performance Information Location [Text Block] | Visit https://www.maingatefunds.com/individual_investors/fund_literature for more recent performance information. Visit https://www.maingatefunds.com/individual_investors/fund_literature for more recent performance information. |
| Net Assets | $ 933,310,871 |
| Holdings Count | $ / shares | 18 |
| Advisory Fees Paid, Amount | $ 9,969,728 |
| Investment Company Portfolio Turnover | 15% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of November 30, 2024) Net Assets $933,310,871 Number of Holdings 18 Net Advisory Fee $9,969,728 Portfolio Turnover 15% |
| Holdings [Text Block] | Top 10 Issuers (%) Energy Transfer, L.P. 13.70% ONEOK, Inc. 12.30% MPLX, L.P. 12.20% Targa Resources Corp. 12.10% Western Midstream Partners, L.P. 11.60% Enterprise Products Partners, L.P. 7.60% EnLink Midstream, LLC 6.20% Plains GP Holdings, L.P. 5.10% Williams Companies, Inc. 4.30% Cheniere Energy, Inc. 4.10% |
| Updated Prospectus Web Address | https://www.maingatefunds.com/individual_investors/fund_literature |
| Class I | |
| Shareholder Report [Line Items] | |
| Fund Name | MainGate MLP Fund |
| Class Name | Class I |
| Trading Symbol | IMLPX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the MainGate MLP Fund (the “Fund”) for the period of December 1, 2023, to November 30, 2024. |
| Shareholder Report Annual or Semi-Annual | annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.maingatefunds.com/individual_investors/fund_literature . You can also request this information by contacting us at 1-855-MLP-FUND (1-855-657-3863) . |
| Additional Information Phone Number | 1-855-MLP-FUND (1-855-657-3863) |
| Additional Information Website | https://www.maingatefunds.com/individual_investors/fund_literature |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE PAST YEAR? (based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $178 1.47% |
| Expenses Paid, Amount | $ 178 |
| Expense Ratio, Percent | 1.47% |
| Factors Affecting Performance [Text Block] | HOW DID THE FUND PERFORM DURING THE REPORTING PERIOD? • The MainGate MLP Fund (I) returned 41.62% for the 12 months ended November 30, 2024. • The MainGate MLP Fund (I) outperformed its primary benchmark, the S&P 500 TR Index, by 773 basis points for the 12 months ended November 30, 2024. • The MainGate MLP Fund (I) outperformed its secondary benchmark, the Alerian MLP Total Return Index, by 1,049 basis points for the 12 months ended November 30, 2024. • Performance reflected good, consistent earnings reports which showed high levels of free cash flow and debt to earnings before interest, taxes, depreciation and amortization (EBITDA) leverage metrics that remain consistently low. • We focused on companies that have communicated capital allocation priorities clearly. |
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance is not a good predictor of how the Fund will perform in the future. |
| Line Graph [Table Text Block] | |
| Average Annual Return [Table Text Block] | ANNUAL AVERAGE TOTAL RETURN (%) 1 Year 5 Year 10 Year Class I (without sales charge) 41.62 21.61 4.98 S&P 500 TR 33.89 15.77 13.35 Alerian MLP Total Return Index 31.13 19.23 3.84 |
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. |
| Updated Performance Information Location [Text Block] | Visit https://www.maingatefunds.com/individual_investors/fund_literature for more recent performance information. Visit https://www.maingatefunds.com/individual_investors/fund_literature for more recent performance information. |
| Net Assets | $ 933,310,871 |
| Holdings Count | $ / shares | 18 |
| Advisory Fees Paid, Amount | $ 9,969,728 |
| Investment Company Portfolio Turnover | 15% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of November 30, 2024) Net Assets $933,310,871 Number of Holdings 18 Net Advisory Fee $9,969,728 Portfolio Turnover 15% |
| Holdings [Text Block] | Top 10 Issuers (%) Energy Transfer, L.P. 13.70% ONEOK, Inc. 12.30% MPLX, L.P. 12.20% Targa Resources Corp. 12.10% Western Midstream Partners, L.P. 11.60% Enterprise Products Partners, L.P. 7.60% EnLink Midstream, LLC 6.20% Plains GP Holdings, L.P. 5.10% Williams Companies, Inc. 4.30% Cheniere Energy, Inc. 4.10% |
| Updated Prospectus Web Address | https://www.maingatefunds.com/individual_investors/fund_literature |
| Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | ||||||||||
| Nov. 30, 2024 | Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2019 | Nov. 30, 2018 | Nov. 30, 2017 | Nov. 30, 2016 | Nov. 30, 2015 | Nov. 30, 2014 | |
| Class A | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class A (with sales charge) | ||||||||||
| Account Value | $ 14,955 | $ 10,584 | $ 8,999 | $ 6,281 | $ 4,402 | $ 5,689 | $ 6,593 | $ 7,031 | $ 7,888 | $ 6,961 | $ 9,423 |
| Class C | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class C (with sales charge) | ||||||||||
| Account Value | $ 15,748 | 11,236 | 9,617 | 6,761 | 4,794 | 6,226 | 7,275 | 7,813 | 8,838 | 7,850 | 10,709 |
| Class I | |||||||||||
| Account Value [Line Items] | |||||||||||
| Account Value | $ 1,626,046 | 1,148,136 | 973,797 | 677,455 | 474,357 | 611,442 | 706,732 | 751,670 | 841,319 | 740,896 | 1,000,000 |
| S&P 500 TR [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P 500 TR | ||||||||||
| Account Value | $ 35,002 | 26,142 | 22,964 | 25,294 | 19,773 | 16,834 | 14,498 | 13,642 | 11,103 | 10,275 | 10,000 |
| Alerian MLP Total Return Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Alerian MLP Total Return Index | ||||||||||
| Account Value | $ 14,576 | 11,115 | 9,015 | 6,338 | 4,568 | 6,050 | 6,798 | 6,717 | 7,210 | 6,597 | 10,000 |
| S&P 500 TR [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P 500 TR | ||||||||||
| Account Value | $ 39,186 | 29,267 | 25,709 | 28,317 | 22,136 | 18,846 | 16,231 | 15,273 | 12,430 | 11,503 | 11,195 |
| Alerian MLP Total Return Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Alerian MLP Total Return Index | ||||||||||
| Account Value | $ 15,890 | 12,117 | 9,828 | 6,909 | 4,979 | 6,595 | 7,411 | 7,323 | 7,860 | 7,192 | 10,901 |
| S&P 500 TR [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | S&P 500 TR | ||||||||||
| Account Value | $ 3,500,205 | 2,614,216 | 2,296,399 | 2,529,355 | 1,977,279 | 1,683,417 | 1,449,847 | 1,364,249 | 1,110,287 | 1,027,490 | 1,000,000 |
| Alerian MLP Total Return Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Alerian MLP Total Return Index | ||||||||||
| Account Value | $ 1,457,603 | $ 1,111,548 | $ 901,541 | $ 633,756 | $ 456,758 | $ 605,007 | $ 679,818 | $ 671,714 | $ 720,987 | $ 659,736 | $ 1,000,000 |
| Shareholder Report, Average Annual Return (Details) | 12 Months Ended | 60 Months Ended | 120 Months Ended |
| Nov. 30, 2024 | Nov. 30, 2024 | Nov. 30, 2024 | |
| Class A | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A (with sales charge) | ||
| Average Annual Return, Percent | 33.15% | 19.92% | 4.11% |
| Class C | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C (with sales charge) | ||
| Average Annual Return, Percent | 39.15% | 20.39% | 3.93% |
| Without Sales Load [Member] | Class A | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A (without sales charge) | ||
| Average Annual Return, Percent | 41.29% | 21.33% | 4.73% |
| Without Sales Load [Member] | Class C | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class C (without sales charge) | ||
| Average Annual Return, Percent | 40.15% | 20.39% | 3.93% |
| Without Sales Load [Member] | Class I | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I (without sales charge) | ||
| Average Annual Return, Percent | 41.62% | 21.61% | 4.98% |
| S&P 500 TR [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500 TR | ||
| Average Annual Return, Percent | 33.89% | 15.77% | 13.35% |
| Alerian MLP Total Return Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Alerian MLP Total Return Index | ||
| Average Annual Return, Percent | 31.13% | 19.23% | 3.84% |
| S&P 500 TR [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500 TR | ||
| Average Annual Return, Percent | 33.89% | 15.77% | 13.35% |
| Alerian MLP Total Return Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Alerian MLP Total Return Index | ||
| Average Annual Return, Percent | 31.13% | 19.23% | 3.84% |
| S&P 500 TR [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | S&P 500 TR | ||
| Average Annual Return, Percent | 33.89% | 15.77% | 13.35% |
| Alerian MLP Total Return Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Alerian MLP Total Return Index | ||
| Average Annual Return, Percent | 31.13% | 19.23% | 3.84% |
| Label | Element | Value |
| Class A | Energy Transfer, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 13.70% |
| Class A | ONEOK, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.30% |
| Class A | MPLX, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.20% |
| Class A | Targa Resources Corp. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.10% |
| Class A | Western Midstream Partners, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 11.60% |
| Class A | Enterprise Products Partners, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 7.60% |
| Class A | Enlink Midstream, LLC [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 6.20% |
| Class A | Plains GP Holdings, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 5.10% |
| Class A | Williams Companies, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 4.30% |
| Class A | Cheniere Energy, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 4.10% |
| Class A | Natural Gas/Natural Gas Liquid Pipelines and Storage [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 44.20% |
| Class A | Natural Gas Gathering/Processing [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 32.10% |
| Class A | Crude/Refined Products Pipelines and Storage [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 23.70% |
| Label | Element | Value |
| Class C | Energy Transfer, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 13.70% |
| Class C | ONEOK, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.30% |
| Class C | MPLX, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.20% |
| Class C | Targa Resources Corp. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.10% |
| Class C | Western Midstream Partners, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 11.60% |
| Class C | Enterprise Products Partners, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 7.60% |
| Class C | Enlink Midstream, LLC [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 6.20% |
| Class C | Plains GP Holdings, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 5.10% |
| Class C | Williams Companies, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 4.30% |
| Class C | Cheniere Energy, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 4.10% |
| Class C | Natural Gas/Natural Gas Liquid Pipelines and Storage [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 44.20% |
| Class C | Natural Gas Gathering/Processing [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 32.10% |
| Class C | Crude/Refined Products Pipelines and Storage [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 23.70% |
| Label | Element | Value |
| Class I | Energy Transfer, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 13.70% |
| Class I | ONEOK, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.30% |
| Class I | MPLX, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.20% |
| Class I | Targa Resources Corp. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.10% |
| Class I | Western Midstream Partners, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 11.60% |
| Class I | Enterprise Products Partners, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 7.60% |
| Class I | Enlink Midstream, LLC [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 6.20% |
| Class I | Plains GP Holdings, L.P. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 5.10% |
| Class I | Williams Companies, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 4.30% |
| Class I | Cheniere Energy, Inc. [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 4.10% |
| Class I | Natural Gas/Natural Gas Liquid Pipelines and Storage [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 44.20% |
| Class I | Natural Gas Gathering/Processing [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 32.10% |
| Class I | Crude/Refined Products Pipelines and Storage [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 23.70% |
