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            <identifier scheme="http://www.sec.gov/CIK">0001633336</identifier>
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        <period>
            <startDate>2026-06-29</startDate>
            <endDate>2026-06-29</endDate>
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            <startDate>2026-06-29</startDate>
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        <measure>iso4217:USD</measure>
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    <dei:EntityAddressStateOrProvince contextRef="P06_29_2026To06_29_2026" id="hidden168545203">CA</dei:EntityAddressStateOrProvince>
    <dei:DocumentType contextRef="P06_29_2026To06_29_2026" id="ixv-267">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="P06_29_2026To06_29_2026" id="ixv-268">2026-06-29</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="P06_29_2026To06_29_2026" id="ixv-269">Crescent Capital BDC, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="P06_29_2026To06_29_2026" id="ixv-270">MD</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="P06_29_2026To06_29_2026" id="ixv-271">814-01132</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="P06_29_2026To06_29_2026" id="ixv-272">47-3162282</dei:EntityTaxIdentificationNumber>
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    <dei:EntityAddressPostalZipCode contextRef="P06_29_2026To06_29_2026" id="ixv-276">90025</dei:EntityAddressPostalZipCode>
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    <dei:Security12bTitle contextRef="P06_29_2026To06_29_2026" id="ixv-283">Common Stock, $0.001 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="P06_29_2026To06_29_2026" id="ixv-284">CCAP</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="P06_29_2026To06_29_2026" id="ixv-285">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="P06_29_2026To06_29_2026" id="ixv-286">false</dei:EntityEmergingGrowthCompany>
    <cef:LongTermDebtTableTextBlock contextRef="P06_29_2026To06_29_2026" id="ixv-189">&lt;div style="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"&gt;On June&#160;29, 2026, Crescent Capital BDC, Inc. (the &#x201c;Company&#x201d;) exercised its option to prepay $50.0&#160;million in aggregate principal amount of its issued and outstanding 7.54% senior unsecured notes due July&#160;28, 2026 (the &#x201c;Notes&#x201d;), pursuant to the terms of the Master Note Purchase Agreement, dated July&#160;30, 2020, as amended and supplemented by the First Supplement to Note Purchase Agreement, dated February&#160;17, 2021, and the Second Supplement to Note Purchase Agreement, dated May&#160;9, 2023, among the Company and the purchasers signatory thereto. The aggregate amount paid was approximately $51.6&#160;million, consisting of the remaining principal amount of the Notes plus accrued and unpaid interest through the prepayment date. Following the prepayment, none of the Notes remain outstanding. &lt;/div&gt;</cef:LongTermDebtTableTextBlock>
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      decimals="1"
      id="ixv-289"
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