Energy Sector [Member] S&P 500 Index [Member] S&P 500 Index Cash and Cash Equivalents1 [Member] Cash and Cash Equivalents1 Allison Transmission Holdings, Inc. [Member] Allison Transmission Holdings, Inc. Alcoa Corp. [Member] Alcoa Corp. Newmont Corp. [Member] Newmont Corp. Mueller Industries, Inc. [Member] Mueller Industries, Inc. Laureate Education, Inc. [Member] Laureate Education, Inc. C000241248 [Member] C000241248 ECML Oshkosh Corp. [Member] Oshkosh Corp. APA Corp. [Member] APA Corp. Perdoceo Education Corp. [Member] Perdoceo Education Corp. Standard & Poor's 500 Index [Member] Photronics, Inc. [Member] Photronics, Inc. CF Industries Holding, Inc. [Member] CF Industries Holding, Inc. Health Care [Member] Net Assets Investment Company, Portfolio Turnover