<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>289</ContextCount>
  <ElementCount>354</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>46</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00200 - Statement - CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedStatementsOfIncome</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00400 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedStatementsOfChangesInShareholdersEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00405 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedStatementsOfChangesInShareholdersEquityParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>10101 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureBasisOfPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Corporate Structure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureCorporateStructure</Role>
      <ShortName>Corporate Structure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRecentAccountingPronouncements</Role>
      <ShortName>Recent Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Investment Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureInvestmentSecurities</Role>
      <ShortName>Investment Securities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Loans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoans</Role>
      <ShortName>Loans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Deposits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureDeposits</Role>
      <ShortName>Deposits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureBorrowings</Role>
      <ShortName>Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>10801 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>10901 - Disclosure - Regulatory Capital</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapital</Role>
      <ShortName>Regulatory Capital</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>11001 - Disclosure - Employee Stock Ownership Plan</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlan</Role>
      <ShortName>Employee Stock Ownership Plan</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>11101 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>11201 - Disclosure - Share-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensation</Role>
      <ShortName>Share-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>11301 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>11401 - Disclosure - Revenue Recognition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRevenueRecognition</Role>
      <ShortName>Revenue Recognition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>20102 - Disclosure - Basis of Presentation (Policy)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureBasisOfPresentationPolicy</Role>
      <ShortName>Basis of Presentation (Policy)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureRecentAccountingPronouncements</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>20302 - Disclosure - Recent Accounting Pronouncements (Policy)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRecentAccountingPronouncementsPolicy</Role>
      <ShortName>Recent Accounting Pronouncements (Policy)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureRecentAccountingPronouncements</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>21502 - Disclosure - Revenue Recognition (Policy)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRevenueRecognitionPolicy</Role>
      <ShortName>Revenue Recognition (Policy)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureRecentAccountingPronouncements</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>30403 - Disclosure - Investment Securities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesTables</Role>
      <ShortName>Investment Securities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureInvestmentSecurities</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>30503 - Disclosure - Loans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansTables</Role>
      <ShortName>Loans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoans</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>30603 - Disclosure - Deposits (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureDepositsTables</Role>
      <ShortName>Deposits (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureDeposits</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>30703 - Disclosure - Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureBorrowingsTables</Role>
      <ShortName>Borrowings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureBorrowings</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>30803 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>30903 - Disclosure - Regulatory Capital (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapitalTables</Role>
      <ShortName>Regulatory Capital (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapital</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>31003 - Disclosure - Employee Stock Ownership Plan (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlanTables</Role>
      <ShortName>Employee Stock Ownership Plan (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlan</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>31103 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureEarningsPerShare</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>31203 - Disclosure - Share-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationTables</Role>
      <ShortName>Share-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensation</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>31303 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLeases</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>40201 - Disclosure - Corporate Structure (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureCorporateStructureNarrativeDetails</Role>
      <ShortName>Corporate Structure (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureCorporateStructure</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>40401 - Disclosure - Investment Securities (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesNarrativeDetails</Role>
      <ShortName>Investment Securities (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>40402 - Disclosure - Investment Securities (Summary of Amortized Cost and Fair Value of Securities Available-for-Sale) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesSummaryOfAmortizedCostAndFairValueOfSecuritiesAvailableForSaleDetails</Role>
      <ShortName>Investment Securities (Summary of Amortized Cost and Fair Value of Securities Available-for-Sale) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>40403 - Disclosure - Investment Securities (Schedule of Maturities of Debt Securities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesScheduleOfMaturitiesOfDebtSecuritiesDetails</Role>
      <ShortName>Investment Securities (Schedule of Maturities of Debt Securities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>40404 - Disclosure - Investment Securities (Schedule of Aggregate Fair Value and Unrealized Losses of Securities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesScheduleOfAggregateFairValueAndUnrealizedLossesOfSecuritiesDetails</Role>
      <ShortName>Investment Securities (Schedule of Aggregate Fair Value and Unrealized Losses of Securities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureInvestmentSecuritiesTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Loans (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansNarrativeDetails</Role>
      <ShortName>Loans (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>40502 - Disclosure - Loans (Schedule of Loans) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfLoansDetails</Role>
      <ShortName>Loans (Schedule of Loans) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>40503 - Disclosure - Loans (Schedule of Allowance for Loans and Gross Impaired Loans by Portfolio Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfAllowanceForLoansAndGrossImpairedLoansByPortfolioSegmentDetails</Role>
      <ShortName>Loans (Schedule of Allowance for Loans and Gross Impaired Loans by Portfolio Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>40504 - Disclosure - Loans (Schedule of Allowance for Loan Losses and Related Loan Balances by Portfolio Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfAllowanceForLoanLossesAndRelatedLoanBalancesByPortfolioSegmentDetails</Role>
      <ShortName>Loans (Schedule of Allowance for Loan Losses and Related Loan Balances by Portfolio Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>40505 - Disclosure - Loans (Schedule of Non-Accrual Loans and Loan Delinquencies by Portfolio Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfNonAccrualLoansAndLoanDelinquenciesByPortfolioSegmentDetails</Role>
      <ShortName>Loans (Schedule of Non-Accrual Loans and Loan Delinquencies by Portfolio Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>40506 - Disclosure - Loans (Schedule of Impaired Loans) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfImpairedLoansDetails</Role>
      <ShortName>Loans (Schedule of Impaired Loans) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>40507 - Disclosure - Loans (Schedule of Troubled Debt Restructurings) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfTroubledDebtRestructuringsDetails</Role>
      <ShortName>Loans (Schedule of Troubled Debt Restructurings) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>40508 - Disclosure - Loans (Schedule of Loans by Risk Rating and Portfolio Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLoansScheduleOfLoansByRiskRatingAndPortfolioSegmentDetails</Role>
      <ShortName>Loans (Schedule of Loans by Risk Rating and Portfolio Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLoansTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>40602 - Disclosure - Deposits (Schedule of Deposit Balances by Type) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureDepositsScheduleOfDepositBalancesByTypeDetails</Role>
      <ShortName>Deposits (Schedule of Deposit Balances by Type) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureDepositsTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Borrowings (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureBorrowingsNarrativeDetails</Role>
      <ShortName>Borrowings (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureBorrowingsTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>40702 - Disclosure - Borrowings (Schedule of Maturities of Advances from FHLB) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureBorrowingsScheduleOfMaturitiesOfAdvancesFromFhlbDetails</Role>
      <ShortName>Borrowings (Schedule of Maturities of Advances from FHLB) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureBorrowingsTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>40801 - Disclosure - Fair Value Measurements (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsNarrativeDetails</Role>
      <ShortName>Fair Value Measurements (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>40802 - Disclosure - Fair Value Measurements (Schedule of Assets Measured at Fair Value on a Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsScheduleOfAssetsMeasuredAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements (Schedule of Assets Measured at Fair Value on a Recurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>40803 - Disclosure - Fair Value Measurements (Schedule of Assets Measured at Fair Value on a Nonrecurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsScheduleOfAssetsMeasuredAtFairValueOnNonrecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements (Schedule of Assets Measured at Fair Value on a Nonrecurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>40804 - Disclosure - Fair Value Measurements (Schedule of Valuation Methodology and Unobservable Inputs for Level 3 Assets Measured at Fair Value on a Nonrecurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsScheduleOfValuationMethodologyAndUnobservableInputsForLevel3AssetsMeasuredAtFairValueOnNonrecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements (Schedule of Valuation Methodology and Unobservable Inputs for Level 3 Assets Measured at Fair Value on a Nonrecurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>40805 - Disclosure - Fair Value Measurements (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments, Held or Issued for Purposes Other Than Trading) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsScheduleOfCarryingAmountsAndEstimatedFairValuesOfFinancialInstrumentsHeldOrIssuedForPurposesOtherThanTradingDetails</Role>
      <ShortName>Fair Value Measurements (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments, Held or Issued for Purposes Other Than Trading) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>40901 - Disclosure - Regulatory Capital (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapitalNarrativeDetails</Role>
      <ShortName>Regulatory Capital (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapitalTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>40902 - Disclosure - Regulatory Capital (Schedule of Bank's Actual Capital Amounts and Ratios) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapitalScheduleOfBankSActualCapitalAmountsAndRatiosDetails</Role>
      <ShortName>Regulatory Capital (Schedule of Bank's Actual Capital Amounts and Ratios) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureRegulatoryCapitalTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>41001 - Disclosure - Employee Stock Ownership Plan (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlanNarrativeDetails</Role>
      <ShortName>Employee Stock Ownership Plan (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlanTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>41002 - Disclosure - Employee Stock Ownership Plans (Schedule of Shares Held by the ESOP) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlansScheduleOfSharesHeldByEsopDetails</Role>
      <ShortName>Employee Stock Ownership Plans (Schedule of Shares Held by the ESOP) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureEmployeeStockOwnershipPlanTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>41101 - Disclosure - Earnings Per Share (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEarningsPerShareNarrativeDetails</Role>
      <ShortName>Earnings Per Share (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureEarningsPerShareTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>41102 - Disclosure - Earnings Per Share (Schedule of Earning per Share) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureEarningsPerShareScheduleOfEarningPerShareDetails</Role>
      <ShortName>Earnings Per Share (Schedule of Earning per Share) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureEarningsPerShareTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>41201 - Disclosure - Share-Based Compensation (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationNarrativeDetails</Role>
      <ShortName>Share-Based Compensation (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>41202 - Disclosure - Share-Based Compensation (Schedule of Fair Value of Options Granted Assumptions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationScheduleOfFairValueOfOptionsGrantedAssumptionsDetails</Role>
      <ShortName>Share-Based Compensation (Schedule of Fair Value of Options Granted Assumptions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>41203 - Disclosure - Share-Based Compensation (Schedule of Stock Option Grants Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationScheduleOfStockOptionGrantsActivityDetails</Role>
      <ShortName>Share-Based Compensation (Schedule of Stock Option Grants Activity) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>41204 - Disclosure - Share-Based Compensation (Schedule of Activity in Restricted Stock Awards Under the Equity Plan) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationScheduleOfActivityInRestrictedStockAwardsUnderEquityPlanDetails</Role>
      <ShortName>Share-Based Compensation (Schedule of Activity in Restricted Stock Awards Under the Equity Plan) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureShareBasedCompensationTables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>41301 - Disclosure - Leases (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLeasesNarrativeDetails</Role>
      <ShortName>Leases (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLeasesTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>41302 - Disclosure - Leases (Schedule of Information Regarding Operating Leases) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLeasesScheduleOfInformationRegardingOperatingLeasesDetails</Role>
      <ShortName>Leases (Schedule of Information Regarding Operating Leases) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLeasesTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="pvbc-20220630x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>41303 - Disclosure - Leases (Schedule of Maturities of Lease Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.theprovidentbank.com/role/DisclosureLeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails</Role>
      <ShortName>Leases (Schedule of Maturities of Lease Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.theprovidentbank.com/role/DisclosureLeasesTables</ParentRole>
      <Position>69</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="10-Q" original="pvbc-20220630x10q.htm">pvbc-20220630x10q.htm</File>
    <File>pvbc-20220630.xsd</File>
    <File>pvbc-20220630_cal.xml</File>
    <File>pvbc-20220630_def.xml</File>
    <File>pvbc-20220630_lab.xml</File>
    <File>pvbc-20220630_pre.xml</File>
    <File>pvbc-20220630xex31_1.htm</File>
    <File>pvbc-20220630xex31_2.htm</File>
    <File>pvbc-20220630xex32.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1272">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
