Amana Equity Income ETF Amana Growth ETF Amana Developing World ETF Amana Equity Income ETF Amana Growth ETF Amana Developing World ETF Market risk [Member] Investment strategy risk [Member] Equity securities risk [Member] Developing world and foreign investing risk [Member] Small-cap risk [Member] Foreign investing risk [Member] Sector risk [Member] Technology sector risk [Member] Murabaha risk [Member] Wakala risk [Member] Subsidiary investment risk [Member] Tax risk [Member] ETF Risk [Member] Non-Diversified Fund Risk [Member] New Fund Risk [Member] Interest Rate Risk [Member] Credit Risk [Member] Smallcap Risk Member Murabaha Risk Member CreditRiskMember Investment Strategy Risk Member Tax Risk Member Technology Sector Risk Member Sector Risk Member New Fund Risk Member Foreign Investing Risk Member Wakala Risk Member C000275823 Member S000105091 Member ETFRisk Member S000105089 Member Market Risk Member Developing World And Foreign Investing Risk Member Subsidiary Investment Risk Member InterestRateRiskMember S000105090 Member C000275824 Member Equity Securities Risk Member C000275825 Member Non Diversified Fund Risk Member