<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>17</ContextCount>
  <ElementCount>186</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>12</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="fmps-form.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000000 - Document - Document and Entity Information {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.FederatedInvestors.com/role/DocumentDocumentandEntityInformationElements</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory></MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="fmps-form.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000019 - Disclosure - Risk/Return Detail Data {Elements} - Federated Hermes Corporate Bond Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.FederatedInvestors.com/role/DisclosureRiskReturnDetailDataElementsFederatedHermesCorporateBondStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Federated Hermes Corporate Bond Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="fmps-form.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000029 - Disclosure - Risk/Return Detail Data {Elements} - Federated Hermes High Yield Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.FederatedInvestors.com/role/DisclosureRiskReturnDetailDataElementsFederatedHermesHighYieldStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Federated Hermes High Yield Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="fmps-form.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000039 - Disclosure - Risk/Return Detail Data {Elements} - Federated Hermes Mortgage Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.FederatedInvestors.com/role/DisclosureRiskReturnDetailDataElementsFederatedHermesMortgageStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Federated Hermes Mortgage Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="fmps-form.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>040000 - Disclosure - Risk/Return Detail Data {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/rr/role/RiskReturnDetailData</Role>
      <ShortName>Risk/Return Detail Data</ShortName>
      <MenuCategory></MenuCategory>
      <Position>5</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="485BPOS" original="fmps-form.htm">fmps-form.htm</File>
    <File>exhibit28-h2b.htm</File>
    <File>exhibit28-j1.htm</File>
    <File>fhmps-20220223.xsd</File>
    <File>fhmps-20220223_cal.xml</File>
    <File>fhmps-20220223_def.xml</File>
    <File>fhmps-20220223_lab.xml</File>
    <File>fhmps-20220223_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>fcppro34039_12.jpg</File>
    <File>fhilogok11p_2.jpg</File>
    <File>fhysppro35539_11.jpg</File>
    <File>fmsppro35541_10.jpg</File>
    <File>img09a7a0781.gif</File>
    <File>img3b392ccd1.gif</File>
    <File>img5baac54e1.gif</File>
    <File>img95668b862.jpg</File>
    <File>img9739a36c2.jpg</File>
    <File>imgb351dd191.gif</File>
    <File>imgd19527791.gif</File>
    <File>imgd9887a581.gif</File>
    <File>imgf95331d22.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="11">http://xbrl.sec.gov/dei/2021</BaseTaxonomy>
    <BaseTaxonomy items="223">http://xbrl.sec.gov/rr/2021</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
