3.22.1 html 3 44 1 true 2 0 false 2 false false R1.htm 000001 - Document - Document and Entity Information Sheet http://www.nottingham.com/20220329/role/DocumentAndEntityInformation Document and Entity Information 1 false true R2.htm 020000 - Document - Risk/Return Summary {Unlabeled} - AI Quality Dividend ETF Sheet http://www.nottingham.com/20220329/role/DocumentRiskReturnSummaryUnlabeledAIQualityDividendETF Risk/Return Summary- AI Quality Dividend ETF 2 false false R6.htm 020004 - Disclosure - Risk/Return Detail Data {Elements} - AI Quality Dividend ETF Sheet http://www.nottingham.com/20220329/role/DisclosureRiskReturnDetailDataElementsAIQualityDividendETF Risk/Return Detail Data- AI Quality Dividend ETF 3 false false R7.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 4 false false All Reports Book All Reports n1a0322.htm ck0001464413-20220329.xsd ck0001464413-20220329_cal.xml ck0001464413-20220329_def.xml ck0001464413-20220329_lab.xml ck0001464413-20220329_pre.xml http://xbrl.sec.gov/dei/2021 http://xbrl.sec.gov/rr/2021 true true