v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000108852 | LongAlphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000108852 | LongAmazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000108852 | LongNVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000108852 | LongMicrosoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000108852 | LongApple, Inc.FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000108852 | LongState Street Institutional U.S. Government Money Market FundFR_7839989D1_3.592622_2030-12-31  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000108852 | LongMeta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000108852 | LongBroadcom, Inc.FR_11135F101  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000108852 | LongFanatics Holdings, Inc.FR_943EHVII6  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000108852 | LongBrookfield Infrastructure Partners LPFR_G16252101  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000108852 | ShortLamar Advertising Co.FR_512816109  
Holdings [Line Items]  
Percent of Total Investments (0.70%)
C000108852 | ShortConsolidated Edison, Inc.FR_209115104  
Holdings [Line Items]  
Percent of Total Investments (0.50%)
C000108852 | ShortOmnicom Group, Inc.FR_681919106  
Holdings [Line Items]  
Percent of Total Investments (0.50%)
C000108852 | ShortPublic Service Enterprise Group, Inc.FR_744573106  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108852 | ShortAllstate Corp.FR_020002101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108852 | ShortExelon Corp.FR_30161N101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108852 | ShortBrookfield Renewable Corp.FR_11285B108  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108852 | ShortHP, Inc.FR_40434L105  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108852 | ShortCheesecake Factory, Inc.FR_163072101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108852 | ShortNexstar Media Group, Inc.FR_65336K103  
Holdings [Line Items]  
Percent of Total Investments (0.30%)
C000108852 | Asset Other LineLong  
Holdings [Line Items]  
Percent of Net Long Exposure 15.30% [1]
Percent of Net Short Exposure 0.00%
C000108852 | Common Stocks  
Holdings [Line Items]  
Percent of Net Long Exposure 88.70%
Percent of Net Short Exposure (13.10%)
C000108852 | Master Limited Partnerships and Limited Partnerships  
Holdings [Line Items]  
Percent of Net Long Exposure 3.10%
Percent of Net Short Exposure 0.00%
C000108852 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Long Exposure 1.30%
Percent of Net Short Exposure 0.00%
C000108852 | Loan Assignments  
Holdings [Line Items]  
Percent of Net Long Exposure 0.20%
Percent of Net Short Exposure 0.00%
C000108852 | Purchased Option Contracts  
Holdings [Line Items]  
Percent of Net Long Exposure 0.00% [2]
Percent of Net Short Exposure 0.00%
C000108852 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Long Exposure 0.00% [2]
Percent of Net Short Exposure 0.00%
C000108852 | Investment Companies  
Holdings [Line Items]  
Percent of Net Long Exposure 4.50%
Percent of Net Short Exposure 0.00%
C000108852 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Long Exposure 113.10%
Percent of Net Short Exposure (13.10%)
C000108850 | LongAlphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000108850 | LongAmazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000108850 | LongNVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000108850 | LongMicrosoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000108850 | LongApple, Inc.FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000108850 | LongState Street Institutional U.S. Government Money Market FundFR_7839989D1_3.592622_2030-12-31  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000108850 | LongMeta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000108850 | LongBroadcom, Inc.FR_11135F101  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000108850 | LongFanatics Holdings, Inc.FR_943EHVII6  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000108850 | LongBrookfield Infrastructure Partners LPFR_G16252101  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000108850 | ShortLamar Advertising Co.FR_512816109  
Holdings [Line Items]  
Percent of Total Investments (0.70%)
C000108850 | ShortConsolidated Edison, Inc.FR_209115104  
Holdings [Line Items]  
Percent of Total Investments (0.50%)
C000108850 | ShortOmnicom Group, Inc.FR_681919106  
Holdings [Line Items]  
Percent of Total Investments (0.50%)
C000108850 | ShortPublic Service Enterprise Group, Inc.FR_744573106  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108850 | ShortAllstate Corp.FR_020002101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108850 | ShortExelon Corp.FR_30161N101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108850 | ShortBrookfield Renewable Corp.FR_11285B108  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108850 | ShortHP, Inc.FR_40434L105  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108850 | ShortCheesecake Factory, Inc.FR_163072101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108850 | ShortNexstar Media Group, Inc.FR_65336K103  
Holdings [Line Items]  
Percent of Total Investments (0.30%)
C000108850 | Asset Other LineLong  
Holdings [Line Items]  
Percent of Net Long Exposure 15.30% [3]
Percent of Net Short Exposure 0.00%
C000108850 | Common Stocks  
Holdings [Line Items]  
Percent of Net Long Exposure 88.70%
Percent of Net Short Exposure (13.10%)
C000108850 | Master Limited Partnerships and Limited Partnerships  
Holdings [Line Items]  
Percent of Net Long Exposure 3.10%
Percent of Net Short Exposure 0.00%
C000108850 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Long Exposure 1.30%
Percent of Net Short Exposure 0.00%
C000108850 | Loan Assignments  
Holdings [Line Items]  
Percent of Net Long Exposure 0.20%
Percent of Net Short Exposure 0.00%
C000108850 | Purchased Option Contracts  
Holdings [Line Items]  
Percent of Net Long Exposure 0.00% [4]
Percent of Net Short Exposure 0.00%
C000108850 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Long Exposure 0.00% [4]
Percent of Net Short Exposure 0.00%
C000108850 | Investment Companies  
Holdings [Line Items]  
Percent of Net Long Exposure 4.50%
Percent of Net Short Exposure 0.00%
C000108850 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Long Exposure 113.10%
Percent of Net Short Exposure (13.10%)
C000108851 | LongAlphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000108851 | LongAmazon.com, Inc.FR_023135106  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000108851 | LongNVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000108851 | LongMicrosoft Corp.FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000108851 | LongApple, Inc.FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000108851 | LongState Street Institutional U.S. Government Money Market FundFR_7839989D1_3.592622_2030-12-31  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000108851 | LongMeta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000108851 | LongBroadcom, Inc.FR_11135F101  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000108851 | LongFanatics Holdings, Inc.FR_943EHVII6  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000108851 | LongBrookfield Infrastructure Partners LPFR_G16252101  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000108851 | ShortLamar Advertising Co.FR_512816109  
Holdings [Line Items]  
Percent of Total Investments (0.70%)
C000108851 | ShortConsolidated Edison, Inc.FR_209115104  
Holdings [Line Items]  
Percent of Total Investments (0.50%)
C000108851 | ShortOmnicom Group, Inc.FR_681919106  
Holdings [Line Items]  
Percent of Total Investments (0.50%)
C000108851 | ShortPublic Service Enterprise Group, Inc.FR_744573106  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108851 | ShortAllstate Corp.FR_020002101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108851 | ShortExelon Corp.FR_30161N101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108851 | ShortBrookfield Renewable Corp.FR_11285B108  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108851 | ShortHP, Inc.FR_40434L105  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108851 | ShortCheesecake Factory, Inc.FR_163072101  
Holdings [Line Items]  
Percent of Total Investments (0.40%)
C000108851 | ShortNexstar Media Group, Inc.FR_65336K103  
Holdings [Line Items]  
Percent of Total Investments (0.30%)
C000108851 | Asset Other LineLong  
Holdings [Line Items]  
Percent of Net Long Exposure 15.30% [5]
Percent of Net Short Exposure 0.00%
C000108851 | Common Stocks  
Holdings [Line Items]  
Percent of Net Long Exposure 88.70%
Percent of Net Short Exposure (13.10%)
C000108851 | Master Limited Partnerships and Limited Partnerships  
Holdings [Line Items]  
Percent of Net Long Exposure 3.10%
Percent of Net Short Exposure 0.00%
C000108851 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Long Exposure 1.30%
Percent of Net Short Exposure 0.00%
C000108851 | Loan Assignments  
Holdings [Line Items]  
Percent of Net Long Exposure 0.20%
Percent of Net Short Exposure 0.00%
C000108851 | Purchased Option Contracts  
Holdings [Line Items]  
Percent of Net Long Exposure 0.00% [6]
Percent of Net Short Exposure 0.00%
C000108851 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Long Exposure 0.00% [6]
Percent of Net Short Exposure 0.00%
C000108851 | Investment Companies  
Holdings [Line Items]  
Percent of Net Long Exposure 4.50%
Percent of Net Short Exposure 0.00%
C000108851 | Asset Other Net Line  
Holdings [Line Items]  
Percent of Net Long Exposure 113.10%
Percent of Net Short Exposure (13.10%)
[1] Includes the impact of the Fund's open positions in derivatives (other than options purchased), if any.
[2] Represents less than 0.05% of net assets of the Fund.
[3] Includes the impact of the Fund's open positions in derivatives (other than options purchased), if any.
[4] Represents less than 0.05% of net assets of the Fund.
[5] Includes the impact of the Fund's open positions in derivatives (other than options purchased), if any.
[6] Represents less than 0.05% of net assets of the Fund.