v3.26.1
Shareholder Report
 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Professionally Managed Portfolios
Entity Central Index Key 0000811030
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Institutional Class  
Shareholder Report [Line Items]  
Fund Name Muzinich Dynamic Income Fund
Class Name Institutional Class
Trading Symbol MZCIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Muzinich Dynamic Income Fund for the period of January 1, 2026, to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.muzinichusfunds.com/literature. You can also request this information by contacting us at 1-855-MUZINICH (1-855-689-4642).
Additional Information Phone Number 1-855-MUZINICH (1-855-689-4642)
Additional Information Website https://www.muzinichusfunds.com/literature
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
Institutional Class
$35
0.70%
[1]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70%
Net Assets $ 150,916,678
Holdings Count | $ / shares 372
Advisory Fees Paid, Amount $ 279,877
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2026)
Net Assets
$150,916,678
Number of Holdings
372
Portfolio Turnover
57%
SEC Yield (Subsidized)
4.37%
SEC Yield (Unsubsidized)
4.10%
Net Advisory Fee
$279,877
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of June 30, 2026)
Top 10 Issuers
(% of Net Assets)  
First American Treasury Obligations Fund
4.6
%
Oracle Corp.
1.0
%
Space Exploration Technologies Corp.
0.8
%
Quikrete Holdings, Inc.
0.8
%
Galaxy Pipeline Assets Bidco Ltd.
0.8
%
SoftBank Group Corp.
0.8
%
Erste Group Bank AG
0.8
%
California Buyer Ltd. / Atlantica Sustainable Infrastructure PLC
0.8
%
AngloGold Ashanti Holdings PLC
0.7
%
PennyMac Financial Services, Inc.
0.7
%
Security Type Breakdown (% of Net Assets)*
image
Industry Breakdown (% of Net Assets)
image
 [2]
Updated Prospectus Web Address https://www.muzinichusfunds.com/literature
Supra Institutional Class  
Shareholder Report [Line Items]  
Fund Name Muzinich Dynamic Income Fund
Class Name Supra Institutional Class
Trading Symbol MZCSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Muzinich Dynamic Income Fund for the period of January 1, 2026, to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.muzinichusfunds.com/literature. You can also request this information by contacting us at 1-855-MUZINICH (1-855-689-4642).
Additional Information Phone Number 1-855-MUZINICH (1-855-689-4642)
Additional Information Website https://www.muzinichusfunds.com/literature
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
Supra Institutional Class
$29
0.59%
[3]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.59%
Net Assets $ 150,916,678
Holdings Count | $ / shares 372
Advisory Fees Paid, Amount $ 279,877
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2026)
Net Assets
$150,916,678
Number of Holdings
372
Portfolio Turnover
57%
SEC Yield (Subsidized)
4.46%
SEC Yield (Unsubsidized)
4.18%
Net Advisory Fee
$279,877
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of June 30, 2026)
Top 10 Issuers
(% of Net Assets)  
First American Treasury Obligations Fund
4.6
%
Oracle Corp.
1.0
%
Space Exploration Technologies Corp.
0.8
%
Quikrete Holdings, Inc.
0.8
%
Galaxy Pipeline Assets Bidco Ltd.
0.8
%
SoftBank Group Corp.
0.8
%
Erste Group Bank AG
0.8
%
California Buyer Ltd. / Atlantica Sustainable Infrastructure PLC
0.8
%
AngloGold Ashanti Holdings PLC
0.7
%
PennyMac Financial Services, Inc.
0.7
%
Security Type Breakdown (% of Net Assets)*
image
Industry Breakdown (% of Net Assets)
image
 [4]
Updated Prospectus Web Address https://www.muzinichusfunds.com/literature
Institutional Class  
Shareholder Report [Line Items]  
Fund Name Muzinich Flexible U.S. High Yield income Fund
Class Name Institutional Class
Trading Symbol MZHIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Muzinich Flexible U.S. High Yield income Fund for the period of January 1, 2026, to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.muzinichusfunds.com/literature. You can also request this information by contacting us at 1-855-MUZINICH (1-855-689-4642).
Additional Information Phone Number 1-855-MUZINICH (1-855-689-4642)
Additional Information Website https://www.muzinichusfunds.com/literature
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
Institutional Class
$29
0.58%
[5]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.58%
Net Assets $ 68,850,538
Holdings Count | $ / shares 339
Advisory Fees Paid, Amount $ 60,608
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2026)
Net Assets
$68,850,538
Number of Holdings
339
Portfolio Turnover
44%
SEC Yield (Subsidized)
6.23%
SEC Yield (Unsubsidized)
5.79%
Net Advisory Fee
$60,608
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of June 30, 2026)
Top 10 Issuers
(% of Net Assets)  
First American Treasury Obligations Fund
2.5
%
TransDigm, Inc.
1.7
%
CCO Holdings LLC / CCO Holdings Capital Corp.
1.6
%
Global Aircraft Leasing Co. Ltd.
1.6
%
EchoStar Corp.
1.5
%
Service Properties Trust
1.5
%
Blackstone Mortgage Trust, Inc.
1.5
%
Neptune Bidco US, Inc.
1.2
%
Nissan Motor Acceptance Co. LLC
1.1
%
Minerals Technologies, Inc.
1.1
%
Security Type Breakdown (% of Net Assets)
image
Industry Breakdown (% of Net Assets)
image
Updated Prospectus Web Address https://www.muzinichusfunds.com/literature
Supra Institutional Class  
Shareholder Report [Line Items]  
Fund Name Muzinich Flexible U.S. High Yield income Fund
Class Name Supra Institutional Class
Trading Symbol MZHSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Muzinich Flexible U.S. High Yield income Fund for the period of January 1, 2026, to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.muzinichusfunds.com/literature. You can also request this information by contacting us at 1-855-MUZINICH (1-855-689-4642).
Additional Information Phone Number 1-855-MUZINICH (1-855-689-4642)
Additional Information Website https://www.muzinichusfunds.com/literature
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
Supra Institutional Class
$29
0.58%
[6]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.58%
Net Assets $ 68,850,538
Holdings Count | $ / shares 339
Advisory Fees Paid, Amount $ 60,608
Investment Company Portfolio Turnover 44.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2026)
Net Assets
$68,850,538
Number of Holdings
339
Portfolio Turnover
44%
SEC Yield (Subsidized)
6.23%
SEC Yield (Unsubsidized)
5.79%
Net Advisory Fee
$60,608
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of June 30, 2026)
Top 10 Issuers
(% of Net Assets)  
First American Treasury Obligations Fund
2.5
%
TransDigm, Inc.
1.7
%
CCO Holdings LLC / CCO Holdings Capital Corp.
1.6
%
Global Aircraft Leasing Co. Ltd.
1.6
%
EchoStar Corp.
1.5
%
Service Properties Trust
1.5
%
Blackstone Mortgage Trust, Inc.
1.5
%
Neptune Bidco US, Inc.
1.2
%
Nissan Motor Acceptance Co. LLC
1.1
%
Minerals Technologies, Inc.
1.1
%
Security Type Breakdown (% of Net Assets)
image
Industry Breakdown (% of Net Assets)
image
Updated Prospectus Web Address https://www.muzinichusfunds.com/literature
Supra Institutional Class  
Shareholder Report [Line Items]  
Fund Name Muzinich Low Duration Fund
Class Name Supra Institutional Class
Trading Symbol MZLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Muzinich Low Duration Fund for the period of January 1, 2026, to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.muzinichusfunds.com/literature. You can also request this information by contacting us at 1-855-MUZINICH (1-855-689-4642).
Additional Information Phone Number 1-855-MUZINICH (1-855-689-4642)
Additional Information Website https://www.muzinichusfunds.com/literature
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
Supra Institutional Class
$25
0.50%
[7]
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50%
Net Assets $ 1,159,110,283
Holdings Count | $ / shares 539
Advisory Fees Paid, Amount $ 2,091,239
Investment Company Portfolio Turnover 41.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2026)
Net Assets
$1,159,110,283
Number of Holdings
539
Portfolio Turnover
41%
SEC Yield (Subsidized)
3.94%
SEC Yield (Unsubsidized)
3.85%
Net Advisory Fee
$2,091,239
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of June 30, 2026)
Top 10 Issuers
(% of Net Assets)  
Ford Motor Credit Co. LLC
1.9
%
First American Treasury Obligations Fund
1.9
%
General Motors Financial Co., Inc.
1.4
%
DP World Crescent Ltd.
1.0
%
Credit Agricole SA
1.0
%
Oracle Corp.
0.9
%
Deutsche Bank AG
0.9
%
ING Groep NV
0.8
%
BNP Paribas SA
0.8
%
International Distribution Services PLC
0.8
%
Security Type Breakdown (% of Net Assets)
image
Industry Breakdown
(% of Net Assets)  
Banking
17.7
%
Automotive & Auto Parts
10.3
%
Diversified Financial Services
9.0
%
Homebuilders/Real Estate
7.0
%
Technology
4.6
%
Telecommunications
4.1
%
Collaterised Debt Obligation
3.8
%
Transportation Excluding Air/Rail
3.7
%
Healthcare
3.2
%
Cash & Other
36.6
%
Updated Prospectus Web Address https://www.muzinichusfunds.com/literature
[1]
* Annualized
[2]
* Percentages that show 0.0% represent less than 0.05%  of net assets.  
[3]
* Annualized
[4]
* Percentages that show 0.0% represent less than 0.05%  of net assets.  
[5]
* Annualized
[6]
* Annualized
[7]
* Annualized