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Shareholder Report
 6 Months Ended 120 Months Ended
Jun. 30, 2024
USD ($)
Holding
Jun. 30, 2024
USD ($)
Holding
Shareholder Report [Line Items]    
Document Type N-CSRS  
Amendment Flag false  
Registrant Name Johnson Mutual Funds Trust  
Entity Central Index Key 0000892657  
Entity Investment Company Type N-1A  
Document Period End Date Jun. 30, 2024  
C000015708    
Shareholder Report [Line Items]    
Fund Name Johnson Equity Income Fund  
Class Name Class I  
Trading Symbol JEQIX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class I
$37
0.75%
  
Expenses Paid, Amount $ 37  
Expense Ratio, Percent 0.75%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Equity Income Fund - Class I
11.22%
11.19%
10.19%
S&P 500® Index
24.56%
15.05%
12.86%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 640,493,260 $ 640,493,260
Holdings Count | Holding 51 51
Advisory Fees Paid, Amount $ 2,353,548  
InvestmentCompanyPortfolioTurnover 7.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$640,493,260
  • Number of Portfolio Holdings51
  • Advisory Fee $2,353,548
  • Portfolio Turnover7%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Common Stocks
99.2%
Money Market Funds
0.8%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000244749    
Shareholder Report [Line Items]    
Fund Name Johnson Equity Income Fund  
Class Name Class S  
Trading Symbol JEQSX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class S
$50
1.00%
  
Expenses Paid, Amount $ 50  
Expense Ratio, Percent 1.00%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
Since Inception (September 15, 2023)
Johnson Equity Income Fund - Class S
11.82%
S&P 500® Index
24.13%
  
Performance Inception Date   Sep. 15, 2023
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 640,493,260 $ 640,493,260
Holdings Count | Holding 51 51
Advisory Fees Paid, Amount $ 2,353,548  
InvestmentCompanyPortfolioTurnover 7.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$640,493,260
  • Number of Portfolio Holdings51
  • Advisory Fee $2,353,548
  • Portfolio Turnover7%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Common Stocks
99.2%
Money Market Funds
0.8%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000015712    
Shareholder Report [Line Items]    
Fund Name Johnson Opportunity Fund  
Class Name Class I  
Trading Symbol JOPPX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class I
$45
0.90%
  
Expenses Paid, Amount $ 45  
Expense Ratio, Percent 0.90%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Opportunity Fund - Class I
12.02%
9.90%
8.28%
Russell 2500® Index
10.47%
8.31%
7.99%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 153,815,721 $ 153,815,721
Holdings Count | Holding 81 81
Advisory Fees Paid, Amount $ 654,224  
InvestmentCompanyPortfolioTurnover 7.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$153,815,721
  • Number of Portfolio Holdings81
  • Advisory Fee $654,224
  • Portfolio Turnover7%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Common Stocks
98.3%
Money Market Funds
1.7%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000244750    
Shareholder Report [Line Items]    
Fund Name Johnson Opportunity Fund  
Class Name Class S  
Trading Symbol JOSSX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class S
$57
1.15%
  
Expenses Paid, Amount $ 57  
Expense Ratio, Percent 1.15%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Line Graph [Table Text Block]
Growth of 10K Chart
Johnson Opportunity Fund - Class S
Russell 2500® Index
Sep-2023
$10,000
$10,000
Jun-2024
$11,320
$11,253
  
Average Annual Return [Table Text Block]
Since Inception (September 15, 2023)
Johnson Opportunity Fund - Class S
13.20%
Russell 2500® Index
12.53%
  
Performance Inception Date   Sep. 15, 2023
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 153,815,721 $ 153,815,721
Holdings Count | Holding 81 81
Advisory Fees Paid, Amount $ 654,224  
InvestmentCompanyPortfolioTurnover 7.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$153,815,721
  • Number of Portfolio Holdings81
  • Advisory Fee $654,224
  • Portfolio Turnover7%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Common Stocks
98.3%
Money Market Funds
1.7%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000071343    
Shareholder Report [Line Items]    
Fund Name Johnson International Fund  
Trading Symbol JINTX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Johnson International Fund
$50
1.00%
  
Expenses Paid, Amount $ 50  
Expense Ratio, Percent 1.00%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Line Graph [Table Text Block]
Growth of 10K Chart
Johnson International Fund
MSCI ACWI ex USA Index
Jun-2014
$10,000
$10,000
Jun-2015
$9,690
$9,474
Jun-2016
$8,632
$8,504
Jun-2017
$9,900
$10,243
Jun-2018
$10,559
$10,988
Jun-2019
$10,938
$11,130
Jun-2020
$10,194
$10,595
Jun-2021
$13,559
$14,380
Jun-2022
$11,383
$11,587
Jun-2023
$13,315
$13,061
Jun-2024
$14,749
$14,579
  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson International Fund
10.77%
6.16%
3.96%
MSCI ACWI ex USA Index
11.62%
5.55%
3.84%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 23,812,817 $ 23,812,817
Holdings Count | Holding 94 94
Advisory Fees Paid, Amount $ 120,529  
InvestmentCompanyPortfolioTurnover 5.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$23,812,817
  • Number of Portfolio Holdings94
  • Advisory Fee $120,529
  • Portfolio Turnover5%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Common Stocks
99.3%
Money Market Funds
0.1%
Preferred Stocks
0.6%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000015709    
Shareholder Report [Line Items]    
Fund Name Johnson Enhanced Return Fund  
Trading Symbol JENHX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Johnson Enhanced Return Fund
$17
0.35%
  
Expenses Paid, Amount $ 17  
Expense Ratio, Percent 0.35%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Enhanced Return Fund
22.89%
12.63%
11.67%
S&P 500® Index
24.56%
15.05%
12.86%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 274,938,155 $ 274,938,155
Holdings Count | Holding 109 109
Advisory Fees Paid, Amount $ 457,017  
InvestmentCompanyPortfolioTurnover 17.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$274,938,155
  • Number of Portfolio Holdings109
  • Advisory Fee $457,017
  • Portfolio Turnover17%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
12.1%
Corporate Bonds
61.8%
Money Market Funds
0.8%
Municipal Bonds
0.2%
U.S. Government & Agencies
5.0%
U.S. Treasury Obligations
20.1%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000244751    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Core Bond Fund  
Class Name Class I  
Trading Symbol JIBFX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class I
$12
0.25%
  
Expenses Paid, Amount $ 12  
Expense Ratio, Percent 0.25%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Inst Core Bond Fund - Class I
2.61%
-
0.16%
1.64%
Bloomberg U.S. Aggregate Bond Index
2.63%
-
0.23%
1.35%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 1,737,112,667 $ 1,737,112,667
Holdings Count | Holding 212 212
Advisory Fees Paid, Amount $ 2,088,502  
InvestmentCompanyPortfolioTurnover 13.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$1,737,112,667
  • Number of Portfolio Holdings212
  • Advisory Fee (net of waivers)$2,088,502
  • Portfolio Turnover13%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
22.7%
Corporate Bonds
42.2%
Money Market Funds
0.7%
Municipal Bonds
2.1%
Preferred Stocks
0.5%
U.S. Government & Agencies
4.8%
U.S. Treasury Obligations
27.0%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000200604    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Core Bond Fund  
Class Name Class F  
Trading Symbol JIMFX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class F
$20
0.40%
  
Expenses Paid, Amount $ 20  
Expense Ratio, Percent 0.40%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
Since Inception (May 1, 2018)
Johnson Inst Core Bond Fund - Class F
2.41%
-
0.32%
1.11%
Bloomberg U.S. Aggregate Bond Index
2.63%
-
0.23%
1.18%
  
Performance Inception Date   May 01, 2018
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 1,737,112,667 $ 1,737,112,667
Holdings Count | Holding 212 212
Advisory Fees Paid, Amount $ 2,088,502  
InvestmentCompanyPortfolioTurnover 13.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$1,737,112,667
  • Number of Portfolio Holdings212
  • Advisory Fee (net of waivers)$2,088,502
  • Portfolio Turnover13%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
22.7%
Corporate Bonds
42.2%
Money Market Funds
0.7%
Municipal Bonds
2.1%
Preferred Stocks
0.5%
U.S. Government & Agencies
4.8%
U.S. Treasury Obligations
27.0%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000015718    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Core Bond Fund  
Class Name Class S  
Trading Symbol JIBSX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class S
$25
0.50%
  
Expenses Paid, Amount $ 25  
Expense Ratio, Percent 0.50%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
Since Inception (September 15, 2023)
Johnson Inst Core Bond Fund - Class S
4.49%
Bloomberg U.S. Aggregate Bond Index
4.50%
  
Performance Inception Date   Sep. 15, 2023
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 1,737,112,667 $ 1,737,112,667
Holdings Count | Holding 212 212
Advisory Fees Paid, Amount $ 2,088,502  
InvestmentCompanyPortfolioTurnover 13.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$1,737,112,667
  • Number of Portfolio Holdings212
  • Advisory Fee (net of waivers)$2,088,502
  • Portfolio Turnover13%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
22.7%
Corporate Bonds
42.2%
Money Market Funds
0.7%
Municipal Bonds
2.1%
Preferred Stocks
0.5%
U.S. Government & Agencies
4.8%
U.S. Treasury Obligations
27.0%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000015717    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Intermediate Bond Fund  
Class Name Class I  
Trading Symbol JIBEX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class I
$12
0.25%
  
Expenses Paid, Amount $ 12  
Expense Ratio, Percent 0.25%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Line Graph [Table Text Block]
Growth of 10K Chart
Johnson Inst Intermediate Bond Fund - Class I
Bloomberg U.S. Intermediate Government/Credit Bond Index
Jun-2014
$1,000,000
$1,000,000
Jun-2015
$1,015,976
$1,016,798
Jun-2016
$1,065,014
$1,060,846
Jun-2017
$1,073,391
$1,058,592
Jun-2018
$1,074,036
$1,052,457
Jun-2019
$1,150,252
$1,125,415
Jun-2020
$1,242,253
$1,205,496
Jun-2021
$1,244,033
$1,207,811
Jun-2022
$1,139,323
$1,119,879
Jun-2023
$1,138,154
$1,118,814
Jun-2024
$1,188,203
$1,165,719
  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Inst Intermediate Bond Fund - Class I
4.40%
0.65%
1.74%
Bloomberg U.S. Intermediate Government/Credit Bond Index
4.19%
0.71%
1.55%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 302,719,571 $ 302,719,571
Holdings Count | Holding 102 102
Advisory Fees Paid, Amount $ 342,845  
InvestmentCompanyPortfolioTurnover 15.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$302,719,571
  • Number of Portfolio Holdings102
  • Advisory Fee (net of waivers)$342,845
  • Portfolio Turnover15%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
7.5%
Corporate Bonds
49.5%
Money Market Funds
0.1%
Municipal Bonds
1.6%
Preferred Stocks
0.5%
U.S. Government & Agencies
5.1%
U.S. Treasury Obligations
35.7%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000200603    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Intermediate Bond Fund  
Class Name Class F  
Trading Symbol JIMEX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class F
$20
0.40%
  
Expenses Paid, Amount $ 20  
Expense Ratio, Percent 0.40%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
Since Inception (May 1, 2018)
Johnson Inst Intermediate Bond Fund - Class F
4.25%
0.50%
1.55%
Bloomberg U.S. Intermediate Government/Credit Bond Index
4.19%
0.71%
1.78%
  
Performance Inception Date   May 01, 2018
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 302,719,571 $ 302,719,571
Holdings Count | Holding 102 102
Advisory Fees Paid, Amount $ 342,845  
InvestmentCompanyPortfolioTurnover 15.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$302,719,571
  • Number of Portfolio Holdings102
  • Advisory Fee (net of waivers)$342,845
  • Portfolio Turnover15%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
7.5%
Corporate Bonds
49.5%
Money Market Funds
0.1%
Municipal Bonds
1.6%
Preferred Stocks
0.5%
U.S. Government & Agencies
5.1%
U.S. Treasury Obligations
35.7%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000015716    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Short Duration Bond Fund  
Class Name Class I  
Trading Symbol JIBDX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class I
$12
0.25%
  
Expenses Paid, Amount $ 12  
Expense Ratio, Percent 0.25%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Line Graph [Table Text Block]
Growth of 10K Chart
Johnson Inst Short Duration Bond Fund - Class I
ICE BofA U.S. Corporate & Government, 1-3 Years Index
Jun-2014
$1,000,000
$1,000,000
Jun-2015
$1,007,156
$1,008,993
Jun-2016
$1,027,137
$1,024,945
Jun-2017
$1,035,177
$1,028,389
Jun-2018
$1,039,465
$1,031,117
Jun-2019
$1,084,654
$1,075,342
Jun-2020
$1,135,997
$1,120,238
Jun-2021
$1,140,144
$1,126,271
Jun-2022
$1,089,084
$1,085,491
Jun-2023
$1,098,538
$1,091,571
Jun-2024
$1,153,554
$1,145,876
  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Inst Short Duration Bond Fund - Class I
5.01%
1.24%
1.44%
ICE BofA U.S. Corporate & Government, 1-3 Years Index
4.97%
1.28%
1.37%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 244,305,268 $ 244,305,268
Holdings Count | Holding 111 111
Advisory Fees Paid, Amount $ 264,732  
InvestmentCompanyPortfolioTurnover 19.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$244,305,268
  • Number of Portfolio Holdings111
  • Advisory Fee (net of waivers)$264,732
  • Portfolio Turnover19%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
12.0%
Corporate Bonds
60.1%
Money Market Funds
0.1%
Municipal Bonds
3.5%
U.S. Government & Agencies
5.5%
U.S. Treasury Obligations
18.8%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000200602    
Shareholder Report [Line Items]    
Fund Name Johnson Institutional Short Duration Bond Fund  
Class Name Class F  
Trading Symbol JIMDX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s 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
Class F
$20
0.40%
  
Expenses Paid, Amount $ 20  
Expense Ratio, Percent 0.40%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Average Annual Return [Table Text Block]
1 Year
5 Years
Since Inception (May 1, 2018)
Johnson Inst Short Duration Bond Fund - Class F
4.83%
1.07%
1.57%
ICE BofA U.S. Corporate & Government, 1-3 Years Index
4.97%
1.28%
1.80%
  
Performance Inception Date   May 01, 2018
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 244,305,268 $ 244,305,268
Holdings Count | Holding 111 111
Advisory Fees Paid, Amount $ 264,732  
InvestmentCompanyPortfolioTurnover 19.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$244,305,268
  • Number of Portfolio Holdings111
  • Advisory Fee (net of waivers)$264,732
  • Portfolio Turnover19%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
12.0%
Corporate Bonds
60.1%
Money Market Funds
0.1%
Municipal Bonds
3.5%
U.S. Government & Agencies
5.5%
U.S. Treasury Obligations
18.8%
  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024. 

  
C000229855    
Shareholder Report [Line Items]    
Fund Name Johnson Core Plus Bond Fund  
Trading Symbol JCPLX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Johnson Core Plus Bond Fund
$22
0.45%
  
Expenses Paid, Amount $ 22  
Expense Ratio, Percent 0.45%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Line Graph [Table Text Block]
Growth of 10K Chart
Johnson Core Plus Bond Fund
Bloomberg U.S. Aggregate Bond Index
Nov-21
$1,000,000
$1,000,000
Jun-22
889,226
899,536
Jun-23
885,599
891,100
Jun-24
911,415
914,545
  
Average Annual Return [Table Text Block]
1 Year
Since Inception (November 17, 2021)
Johnson Core Plus Bond Fund
2.91%
-
3.48%
Bloomberg U.S. Aggregate Bond Index
2.63%
-
3.36%
  
Performance Inception Date   Nov. 17, 2021
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
AssetsNet $ 39,744,413 $ 39,744,413
Holdings Count | Holding 95 95
Advisory Fees Paid, Amount $ 0  
InvestmentCompanyPortfolioTurnover 26.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$39,744,413
  • Number of Portfolio Holdings95
  • Advisory Fee (net of waivers)$0
  • Portfolio Turnover26%
  
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Collateralized Mortgage Obligations
22.0%
Corporate Bonds
60.6%
Money Market Funds
1.0%
Preferred Stocks
0.5%
U.S. Government & Agencies
1.8%
U.S. Treasury Obligations
14.1%
  
Material Fund Change [Text Block]

Material Fund Changes

Effective May 1, 2024, the Adviser has contractually agreed to change the expense arrangement to a unitary fee arrangement, with a limit of 0.45% per year. The Adviser will cover all expenses in excess of the management fee.

  
C000015715    
Shareholder Report [Line Items]    
Fund Name Johnson Municipal Income Fund  
Trading Symbol JMUNX  
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report  
Additional Information [Text Block] You can find additional information about the Fund at www.johnsoninv.com/mutualfunds. You can also request this information by contacting us at (800) 541-0170.  
Additional Information Phone Number (800) 541-0170  
Additional Information Website www.johnsoninv.com/mutualfunds  
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Johnson Municipal Income Fund
$15
0.30%
  
Expenses Paid, Amount $ 15  
Expense Ratio, Percent 0.30%  
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.  
Line Graph [Table Text Block]
Growth of 10K Chart
Johnson Municipal Income Fund
Bloomberg Municipal Bond Index
Bloomberg Municipal Bond: 5 Year GO (4-6)
Jun-2014
$1,000,000
$1,000,000
$1,000,000
Jun-2015
$1,020,338
$1,029,995
$1,013,131
Jun-2016
$1,071,321
$1,108,816
$1,054,541
Jun-2017
$1,068,045
$1,103,407
$1,058,096
Jun-2018
$1,070,120
$1,120,671
$1,059,966
Jun-2019
$1,130,422
$1,195,826
$1,116,005
Jun-2020
$1,182,664
$1,249,021
$1,162,402
Jun-2021
$1,206,853
$1,301,052
$1,182,882
Jun-2022
$1,107,364
$1,189,532
$1,123,340
Jun-2023
$1,133,802
$1,227,437
$1,138,501
Jun-2024
$1,169,265
$1,266,871
$1,156,911
  
Average Annual Return [Table Text Block]
1 Year
5 Years
10 Years
Johnson Municipal Income Fund
3.13%
0.68%
1.58%
Bloomberg Municipal Bond Index
3.21%
1.16%
2.39%
Bloomberg Municipal Bond: 5 Year GO (4-6)
1.62%
0.72%
1.47%
  
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.  
Material Change Date Jun. 30, 2024  
AssetsNet $ 171,927,654 $ 171,927,654
Holdings Count | Holding 153 153
Advisory Fees Paid, Amount $ 263,055  
InvestmentCompanyPortfolioTurnover 9.00%  
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$171,927,654
  • Number of Portfolio Holdings153
  • Advisory Fee $263,055
  • Portfolio Turnover9%
  
Holdings [Text Block]

Quality Allocation (as a percentage of total assets)*

Group By Sector Chart
Value
Value
AAA
18.3%
AA
51.8%
A
26.4%
BBB
1.7%
Not Rated
1.8%

* As rated by either Standard & Poor's or Moody's Rating Agencies.

(If rated by both, the lower rating is represented.)

  
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2024.