GraniteShares US 100 Autocallable Income ETF Equity Securities Risk [Member] Large Capitalization Companies Risk [Member] Market Risk [Member] Non-diversification Risk [Member] Index Risk [Member] Laddered Portfolio Risk [Member] Distribution Risk [Member] Derivatives Risk [Member] Counterparty Risk [Member] Over-the-Counter Market Risk [Member] Autocallable Structure Risk [Member] Calculation Methodology Risk [Member] NAV Erosion Risk Due to Distributions [Member] Option Market Liquidity Risk [Member] Affiliated ETFS Risk [Member] ETF Risks [Member] High Portfolio Turnover Risk [Member] Inflation Risk [Member] Liquidity Risk [Member] Management Risk [Member] Money Market Instrument Risk [Member] New Fund Risk [Member] Nondiversification Risk One [Member] Operational Risk [Member] Recent Market Events Risk [Member] Tax Risk [Member] Distribution Tax Risk [Member] Investing in U.S. Equities Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] Fixed Income Securities Risk [Member] Index Provider Risk [Member] GraniteShares US 100 Autocallable Income ETF GraniteShares US 100 Autocallable Income ETF GraniteShares US 100 Autocallable Income ETF Fixed Income Securities Risk [Member] Distribution Tax Risk [Member] Tax Risk [Member] Recent Market Events Risk [Member] Operational Risk [Member] Non-diversification Risk [Member] New Fund Risk [Member] Money Market Instrument Risk [Member] Management Risk [Member] Liquidity Risk [Member] Inflation Risk [Member] High Portfolio Turnover Risk [Member] Affiliated ETFS Risk [Member] Option Market Liquidity Risk [Member] NAV Erosion Risk Due to Distributions [Member] Calculation Methodology Risk [Member] Autocallable Structure Risk [Member] Over-the-Counter Market Risk [Member] Counterparty Risk [Member] Derivatives Risk [Member] Distribution Risk [Member] Laddered Portfolio Risk [Member] Index Risk [Member] Market Risk [Member] Large Capitalization Companies Risk [Member] Equity Securities Risk [Member] Index Provider Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] Investing in U.S. Equities Risk [Member] ETF Risks [Member] GraniteShares US 100 Autocallable Income ETF [Default Label]