v3.26.1
Shareholder Report
 6 Months Ended
Jun. 30, 2026
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, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000015708  
Shareholder Report [Line Items]  
Fund Name Johnson Equity Income Fund
Class Name Class I
Trading Symbol JEQIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Equity Income Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class I
$38
0.75%
Expenses Paid, Amount $ 38
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Equity Income Fund - Class I
S&P 500® Index
Jun-2016
$1,000,000
$1,000,000
Jun-2017
$1,180,866
$1,178,961
Jun-2018
$1,328,770
$1,348,426
Jun-2019
$1,561,936
$1,488,897
Jun-2020
$1,597,211
$1,600,640
Jun-2021
$2,221,951
$2,253,607
Jun-2022
$2,099,450
$2,014,369
Jun-2023
$2,387,265
$2,409,065
Jun-2024
$2,655,003
$3,000,638
Jun-2025
$2,911,292
$3,455,645
Jun-2026
$3,191,196
$4,227,117
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
10 Years
Johnson Equity Income Fund - Class I
9.61%
7.51%
12.30%
S&P 500® Index
22.32%
13.41%
15.51%
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 $ 677,598,707
Holdings Count | Holding 53
Advisory Fees Paid, Amount $ 2,631,357
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$677,598,707
  • Number of Portfolio Holdings53
  • Advisory Fee $2,631,357
  • Portfolio Turnover16%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
99.9%
Money Market Funds
0.1%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Money Market Funds
0.1%
Materials
2.0%
Communications
2.7%
Utilities
4.0%
Energy
5.9%
Consumer Staples
6.9%
Health Care
10.7%
Consumer Discretionary
11.1%
Financials
12.7%
Industrials
16.6%
Technology
27.3%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Microsoft Corp.
3.5%
Visa, Inc. - Class A
3.1%
Stryker Corp.
3.0%
American Electric Power Co., Inc.
3.0%
Williams Cos., Inc. (The)
2.9%
Amazon.com, Inc.
2.8%
nVent Electric plc
2.8%
Analog Devices, Inc.
2.8%
UMB Financial Corp.
2.7%
Alphabet, Inc. - Class A
2.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000244749  
Shareholder Report [Line Items]  
Fund Name Johnson Equity Income Fund
Class Name Class S
Trading Symbol JEQSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Equity Income Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Equity Income Fund - Class S
S&P 500® Index
Sep-2023
$10,000
$10,000
Jun-2024
$11,182
$12,413
Jun-2025
$12,231
$14,295
Jun-2026
$13,376
$17,486
Average Annual Return [Table Text Block]
Table Summary
1 Year
Since Inception (September 15, 2023)
Johnson Equity Income Fund - Class S
9.36%
10.98%
S&P 500® Index
22.32%
22.16%
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.
AssetsNet $ 677,598,707
Holdings Count | Holding 53
Advisory Fees Paid, Amount $ 2,631,357
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$677,598,707
  • Number of Portfolio Holdings53
  • Advisory Fee $2,631,357
  • Portfolio Turnover16%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
99.9%
Money Market Funds
0.1%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Money Market Funds
0.1%
Materials
2.0%
Communications
2.7%
Utilities
4.0%
Energy
5.9%
Consumer Staples
6.9%
Health Care
10.7%
Consumer Discretionary
11.1%
Financials
12.7%
Industrials
16.6%
Technology
27.3%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Microsoft Corp.
3.5%
Visa, Inc. - Class A
3.1%
Stryker Corp.
3.0%
American Electric Power Co., Inc.
3.0%
Williams Cos., Inc. (The)
2.9%
Amazon.com, Inc.
2.8%
nVent Electric plc
2.8%
Analog Devices, Inc.
2.8%
UMB Financial Corp.
2.7%
Alphabet, Inc. - Class A
2.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000015712  
Shareholder Report [Line Items]  
Fund Name Johnson Opportunity Fund
Class Name Class I
Trading Symbol JOPPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Opportunity Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class I
$47
0.90%
Expenses Paid, Amount $ 47
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Opportunity Fund - Class I
Russell 2500® Index
Russell 3000® Index
Jun-2016
$1,000,000
$1,000,000
$1,000,000
Jun-2017
$1,194,096
$1,198,411
$1,185,095
Jun-2018
$1,353,156
$1,393,068
$1,360,229
Jun-2019
$1,353,202
$1,417,692
$1,482,412
Jun-2020
$1,261,588
$1,351,089
$1,579,207
Jun-2021
$1,865,142
$2,131,899
$2,276,654
Jun-2022
$1,689,605
$1,684,258
$1,960,982
Jun-2023
$1,936,413
$1,912,986
$2,332,660
Jun-2024
$2,169,194
$2,113,251
$2,872,090
Jun-2025
$2,318,585
$2,322,596
$3,311,398
Jun-2026
$2,675,466
$3,175,502
$4,066,710
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
10 Years
Johnson Opportunity Fund - Class I
15.39%
7.48%
10.34%
Russell 2500® Index
36.72%
8.30%
12.25%
Russell 3000® Index
22.81%
12.30%
15.06%
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 $ 163,280,103
Holdings Count | Holding 79
Advisory Fees Paid, Amount $ 759,241
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$163,280,103
  • Number of Portfolio Holdings79
  • Advisory Fee $759,241
  • Portfolio Turnover14%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
99.8%
Money Market Funds
0.2%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Liabilities in Excess of Other Assets
-0.1%
Money Market Funds
0.2%
Communications
0.5%
Consumer Staples
2.0%
Energy
3.0%
Utilities
3.2%
Real Estate
3.4%
Consumer Discretionary
7.0%
Materials
10.1%
Financials
12.4%
Technology
15.5%
Health Care
17.5%
Industrials
25.3%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Charles River Laboratories International, Inc.
2.1%
Rush Enterprises, Inc. - Class A
2.0%
Nordson Corp.
1.9%
Reliance, Inc.
1.9%
TD SYNNEX Corp.
1.9%
Element Solutions, Inc.
1.8%
Littelfuse, Inc.
1.8%
UMB Financial Corp.
1.7%
Donaldson Co., Inc.
1.7%
Genuine Parts Co.
1.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000244750  
Shareholder Report [Line Items]  
Fund Name Johnson Opportunity Fund
Class Name Class S
Trading Symbol JOSSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Opportunity Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class S
$60
1.15%
Expenses Paid, Amount $ 60
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
Table Summary
Johnson Opportunity Fund - Class S
Russell 2500® Index
Russell 3000® Index
Sep-2023
$10,000
$10,000
$10,000
Jun-2024
$11,320
$11,253
$12,278
Jun-2025
$12,069
$12,368
$14,156
Jun-2026
$13,892
$16,910
$17,385
Average Annual Return [Table Text Block]
Table Summary
1 Year
Since Inception (September 15, 2023)
Johnson Opportunity Fund - Class S
15.10%
12.49%
Russell 2500® Index
36.72%
20.70%
Russell 3000® Index
22.81%
21.91%
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.
AssetsNet $ 163,280,103
Holdings Count | Holding 79
Advisory Fees Paid, Amount $ 759,241
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$163,280,103
  • Number of Portfolio Holdings79
  • Advisory Fee $759,241
  • Portfolio Turnover14%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
99.8%
Money Market Funds
0.2%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Liabilities in Excess of Other Assets
-0.1%
Money Market Funds
0.2%
Communications
0.5%
Consumer Staples
2.0%
Energy
3.0%
Utilities
3.2%
Real Estate
3.4%
Consumer Discretionary
7.0%
Materials
10.1%
Financials
12.4%
Technology
15.5%
Health Care
17.5%
Industrials
25.3%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Charles River Laboratories International, Inc.
2.1%
Rush Enterprises, Inc. - Class A
2.0%
Nordson Corp.
1.9%
Reliance, Inc.
1.9%
TD SYNNEX Corp.
1.9%
Element Solutions, Inc.
1.8%
Littelfuse, Inc.
1.8%
UMB Financial Corp.
1.7%
Donaldson Co., Inc.
1.7%
Genuine Parts Co.
1.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000015709  
Shareholder Report [Line Items]  
Fund Name Johnson Enhanced Return Fund
Trading Symbol JENHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Enhanced Return Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Johnson Enhanced Return Fund
$18
0.35%
Expenses Paid, Amount $ 18
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]
Table Summary
1 Year
5 Years
10 Years
Johnson Enhanced Return Fund
20.47%
10.69%
14.02%
S&P 500® Index
22.32%
13.41%
15.51%
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 $ 316,351,467
Holdings Count | Holding 114
Advisory Fees Paid, Amount $ 536,970
InvestmentCompanyPortfolioTurnover 12.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$316,351,467
  • Number of Portfolio Holdings114
  • Advisory Fee $536,970
  • Portfolio Turnover12%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
19.1%
Corporate Bonds
60.3%
Money Market Funds
1.8%
Municipal Bonds
1.9%
U.S. Government & Agencies
0.7%
U.S. Treasury Obligations
16.2%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
1.5%
U.S. Government & Agencies
0.6%
Money Market Funds
1.8%
Municipal Bonds
1.9%
Utilities
12.4%
U.S. Treasury Obligations
16.0%
Collateralized Mortgage Obligations
18.8%
Industrials
20.2%
Finance
26.8%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Notes, 1.500%, due 02/15/30
5.0%
U.S. Treasury Notes, 2.750%, due 02/15/28
3.8%
U.S. Treasury Notes, 2.375%, due 05/15/29
3.6%
FHLMC, 4.250%, due 06/15/31 - Class GC - Series 5607
3.0%
Cisco Systems, Inc., 4.850%, due 02/26/29
1.9%
Bank of New York Mellon Corp., 3.300%, due 08/23/29 - Series K
1.9%
U.S. Treasury Notes, 2.750%, due 07/31/27
1.9%
Bank of America Corp., 5.202%, due 04/25/29
1.8%
U.S. Treasury Notes, 4.000%, due 01/31/31
1.8%
Morgan Stanley, 3.591%, due 07/22/28
1.8%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000244751  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Core Bond Fund
Class Name Class I
Trading Symbol JIBFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Core Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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
Table Summary
Johnson Inst Core Bond Fund - Class I
Bloomberg U.S. Aggregate Bond Index
Jun-2016
$1,000,000
$1,000,000
Jun-2017
$1,001,853
$996,854
Jun-2018
$1,000,175
$992,893
Jun-2019
$1,084,702
$1,071,027
Jun-2020
$1,202,476
$1,164,631
Jun-2021
$1,193,547
$1,160,749
Jun-2022
$1,059,048
$1,041,283
Jun-2023
$1,048,706
$1,031,519
Jun-2024
$1,076,118
$1,058,658
Jun-2025
$1,145,715
$1,122,982
Jun-2026
$1,189,688
$1,165,553
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
10 Years
Johnson Inst Core Bond Fund - Class I
3.84%
-0.06%
1.75%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.08%
1.54%
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 $ 1,829,205,315
Holdings Count | Holding 204
Advisory Fees Paid, Amount $ 2,328,863
InvestmentCompanyPortfolioTurnover 27.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$1,829,205,315
  • Number of Portfolio Holdings204
  • Advisory Fee (net of waivers)$2,328,863
  • Portfolio Turnover27%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
25.1%
Corporate Bonds
49.7%
Money Market Funds
0.1%
Municipal Bonds
0.8%
Preferred Stocks
0.5%
U.S. Treasury Obligations
23.8%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.8%
Preferred Stocks
0.5%
Municipal Bonds
0.8%
Utilities
12.7%
Industrials
14.4%
Finance
22.3%
U.S. Treasury Obligations
23.6%
Collateralized Mortgage Obligations
24.9%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Bonds, 2.250%, due 05/15/41
5.3%
U.S. Treasury Bonds, 4.250%, due 05/15/39
3.7%
U.S. Treasury Bonds, 3.125%, due 08/15/44
3.6%
U.S. Treasury Bonds, 3.000%, due 11/15/44
3.6%
U.S. Treasury Bonds, 4.750%, due 02/15/56
3.3%
FNMA, 1.520%, due 08/21/35 - Class KA - Series 2022-25
2.4%
Florida Power & Light Co., 5.100%, due 04/01/33
2.0%
Verizon Communications, Inc., 2.355%, due 03/15/32
2.0%
Honeywell Aerospace, Inc., 4.600%, due 03/16/33, 144A
2.0%
U.S. Treasury Bonds, 2.375%, due 02/15/42
2.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000200604  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Core Bond Fund
Class Name Class F
Trading Symbol JIMFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Core Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Inst Core Bond Fund - Class F
Bloomberg U.S. Aggregate Bond Index
May-2018
$500,000
$500,000
Jun-2018
$503,920
$504,109
Jun-2019
$543,879
$543,779
Jun-2020
$601,637
$591,303
Jun-2021
$596,429
$589,332
Jun-2022
$528,307
$528,677
Jun-2023
$522,701
$523,720
Jun-2024
$535,294
$537,499
Jun-2025
$568,828
$570,157
Jun-2026
$589,688
$591,771
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
Since Inception (May 1, 2018)
Johnson Inst Core Bond Fund - Class F
3.67%
-0.23%
2.04%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.08%
2.09%
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.
AssetsNet $ 1,829,205,315
Holdings Count | Holding 204
Advisory Fees Paid, Amount $ 2,328,863
InvestmentCompanyPortfolioTurnover 27.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$1,829,205,315
  • Number of Portfolio Holdings204
  • Advisory Fee (net of waivers)$2,328,863
  • Portfolio Turnover27%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
25.1%
Corporate Bonds
49.7%
Money Market Funds
0.1%
Municipal Bonds
0.8%
Preferred Stocks
0.5%
U.S. Treasury Obligations
23.8%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.8%
Preferred Stocks
0.5%
Municipal Bonds
0.8%
Utilities
12.7%
Industrials
14.4%
Finance
22.3%
U.S. Treasury Obligations
23.6%
Collateralized Mortgage Obligations
24.9%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Bonds, 2.250%, due 05/15/41
5.3%
U.S. Treasury Bonds, 4.250%, due 05/15/39
3.7%
U.S. Treasury Bonds, 3.125%, due 08/15/44
3.6%
U.S. Treasury Bonds, 3.000%, due 11/15/44
3.6%
U.S. Treasury Bonds, 4.750%, due 02/15/56
3.3%
FNMA, 1.520%, due 08/21/35 - Class KA - Series 2022-25
2.4%
Florida Power & Light Co., 5.100%, due 04/01/33
2.0%
Verizon Communications, Inc., 2.355%, due 03/15/32
2.0%
Honeywell Aerospace, Inc., 4.600%, due 03/16/33, 144A
2.0%
U.S. Treasury Bonds, 2.375%, due 02/15/42
2.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000015718  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Core Bond Fund
Class Name Class S
Trading Symbol JIBSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Core Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Inst Core Bond Fund - Class S
Bloomberg U.S. Aggregate Bond Index
Sep-2023
$10,000
$10,000
Jun-2024
$10,449
$10,450
Jun-2025
$11,096
$11,085
Jun-2026
$11,498
$11,506
Average Annual Return [Table Text Block]
Table Summary
1 Year
Since Inception (September 15, 2023)
Johnson Inst Core Bond Fund - Class S
3.62%
5.13%
Bloomberg U.S. Aggregate Bond Index
3.79%
5.15%
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.
AssetsNet $ 1,829,205,315
Holdings Count | Holding 204
Advisory Fees Paid, Amount $ 2,328,863
InvestmentCompanyPortfolioTurnover 27.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$1,829,205,315
  • Number of Portfolio Holdings204
  • Advisory Fee (net of waivers)$2,328,863
  • Portfolio Turnover27%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
25.1%
Corporate Bonds
49.7%
Money Market Funds
0.1%
Municipal Bonds
0.8%
Preferred Stocks
0.5%
U.S. Treasury Obligations
23.8%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.8%
Preferred Stocks
0.5%
Municipal Bonds
0.8%
Utilities
12.7%
Industrials
14.4%
Finance
22.3%
U.S. Treasury Obligations
23.6%
Collateralized Mortgage Obligations
24.9%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Bonds, 2.250%, due 05/15/41
5.3%
U.S. Treasury Bonds, 4.250%, due 05/15/39
3.7%
U.S. Treasury Bonds, 3.125%, due 08/15/44
3.6%
U.S. Treasury Bonds, 3.000%, due 11/15/44
3.6%
U.S. Treasury Bonds, 4.750%, due 02/15/56
3.3%
FNMA, 1.520%, due 08/21/35 - Class KA - Series 2022-25
2.4%
Florida Power & Light Co., 5.100%, due 04/01/33
2.0%
Verizon Communications, Inc., 2.355%, due 03/15/32
2.0%
Honeywell Aerospace, Inc., 4.600%, due 03/16/33, 144A
2.0%
U.S. Treasury Bonds, 2.375%, due 02/15/42
2.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000015717  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Intermediate Bond Fund
Class Name Class I
Trading Symbol JIBEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Intermediate Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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
Table Summary
Johnson Inst Intermediate Bond Fund - Class I
Bloomberg Intermediate U.S. Government/Credit Bond Index
Bloomberg U.S. Aggregate Bond Index
Jun-2016
$1,000,000
$1,000,000
$1,000,000
Jun-2017
$1,007,865
$997,876
$996,854
Jun-2018
$1,008,472
$992,092
$992,893
Jun-2019
$1,080,035
$1,060,866
$1,071,027
Jun-2020
$1,166,420
$1,136,354
$1,164,631
Jun-2021
$1,168,091
$1,138,536
$1,160,749
Jun-2022
$1,069,773
$1,055,647
$1,041,283
Jun-2023
$1,068,675
$1,054,643
$1,031,519
Jun-2024
$1,115,669
$1,098,858
$1,058,658
Jun-2025
$1,194,755
$1,172,908
$1,122,982
Jun-2026
$1,233,883
$1,209,679
$1,165,553
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
10 Years
Johnson Inst Intermediate Bond Fund - Class I
3.27%
1.10%
2.12%
Bloomberg Intermediate U.S. Government/Credit Bond Index
3.14%
1.22%
1.92%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.08%
1.54%
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 $ 371,447,097
Holdings Count | Holding 106
Advisory Fees Paid, Amount $ 394,467
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$371,447,097
  • Number of Portfolio Holdings106
  • Advisory Fee (net of waivers)$394,467
  • Portfolio Turnover19%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
7.1%
Corporate Bonds
46.9%
Money Market Funds
0.8%
Municipal Bonds
0.9%
Preferred Stocks
0.4%
U.S. Government & Agencies
2.2%
U.S. Treasury Obligations
41.7%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.8%
Preferred Stocks
0.4%
Money Market Funds
0.8%
Municipal Bonds
0.8%
U.S. Government & Agencies
2.2%
Collateralized Mortgage Obligations
7.1%
Utilities
8.0%
Industrials
16.3%
Finance
22.2%
U.S. Treasury Obligations
41.4%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Notes, 4.250%, due 08/15/35
4.8%
U.S. Treasury Notes, 4.250%, due 06/30/31
4.4%
U.S. Treasury Notes, 2.875%, due 05/15/32
3.8%
U.S. Treasury Notes, 4.000%, due 07/31/32
3.7%
U.S. Treasury Notes, 4.000%, due 02/28/30
3.5%
U.S. Treasury Notes, 4.000%, due 02/15/34
3.4%
U.S. Treasury Notes, 2.750%, due 08/15/32
3.4%
U.S. Treasury Notes, 3.875%, due 09/30/30
3.2%
U.S. Treasury Notes, 4.000%, due 07/31/30
2.8%
U.S. Treasury Notes, 0.875%, due 11/15/30
2.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000200603  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Intermediate Bond Fund
Class Name Class F
Trading Symbol JIMEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Intermediate Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Inst Intermediate Bond Fund - Class F
Bloomberg Intermediate U.S. Government/Credit Bond Index
Bloomberg U.S. Aggregate Bond Index
May-2018
$500,000
$500,000
$500,000
Jun-2018
$502,847
$503,328
$504,109
Jun-2019
$536,313
$538,220
$543,779
Jun-2020
$578,223
$576,518
$591,303
Jun-2021
$578,161
$577,625
$589,332
Jun-2022
$528,919
$535,572
$528,677
Jun-2023
$527,424
$535,063
$523,720
Jun-2024
$549,864
$557,495
$537,499
Jun-2025
$587,459
$595,063
$570,157
Jun-2026
$605,930
$613,719
$591,771
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
Since Inception (May 1, 2018)
Johnson Inst Intermediate Bond Fund - Class F
3.14%
0.94%
2.38%
Bloomberg Intermediate U.S. Government/Credit Bond Index
3.14%
1.22%
2.54%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.08%
2.09%
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.
AssetsNet $ 371,447,097
Holdings Count | Holding 106
Advisory Fees Paid, Amount $ 394,467
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$371,447,097
  • Number of Portfolio Holdings106
  • Advisory Fee (net of waivers)$394,467
  • Portfolio Turnover19%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
7.1%
Corporate Bonds
46.9%
Money Market Funds
0.8%
Municipal Bonds
0.9%
Preferred Stocks
0.4%
U.S. Government & Agencies
2.2%
U.S. Treasury Obligations
41.7%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.8%
Preferred Stocks
0.4%
Money Market Funds
0.8%
Municipal Bonds
0.8%
U.S. Government & Agencies
2.2%
Collateralized Mortgage Obligations
7.1%
Utilities
8.0%
Industrials
16.3%
Finance
22.2%
U.S. Treasury Obligations
41.4%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Notes, 4.250%, due 08/15/35
4.8%
U.S. Treasury Notes, 4.250%, due 06/30/31
4.4%
U.S. Treasury Notes, 2.875%, due 05/15/32
3.8%
U.S. Treasury Notes, 4.000%, due 07/31/32
3.7%
U.S. Treasury Notes, 4.000%, due 02/28/30
3.5%
U.S. Treasury Notes, 4.000%, due 02/15/34
3.4%
U.S. Treasury Notes, 2.750%, due 08/15/32
3.4%
U.S. Treasury Notes, 3.875%, due 09/30/30
3.2%
U.S. Treasury Notes, 4.000%, due 07/31/30
2.8%
U.S. Treasury Notes, 0.875%, due 11/15/30
2.7%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000015716  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Short Duration Bond Fund
Class Name Class I
Trading Symbol JIBDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Short Duration Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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
Table Summary
Johnson Inst Short Duration Bond Fund - Class I
Bloomberg U.S. Aggregate Bond Index
ICE BofA U.S. Corporate & Government, 1-3 Years Index
Jun-2016
$1,000,000
$1,000,000
$1,000,000
Jun-2017
$1,007,827
$996,854
$1,003,361
Jun-2018
$1,012,003
$992,893
$1,006,022
Jun-2019
$1,055,997
$1,071,027
$1,049,171
Jun-2020
$1,105,984
$1,164,631
$1,092,974
Jun-2021
$1,110,022
$1,160,749
$1,098,861
Jun-2022
$1,060,311
$1,041,283
$1,059,073
Jun-2023
$1,069,515
$1,031,519
$1,065,005
Jun-2024
$1,123,078
$1,058,658
$1,117,988
Jun-2025
$1,192,794
$1,122,982
$1,184,527
Jun-2026
$1,232,989
$1,165,553
$1,222,578
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
10 Years
Johnson Inst Short Duration Bond Fund - Class I
3.37%
2.12%
2.12%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.08%
1.54%
ICE BofA U.S. Corporate & Government, 1-3 Years Index
3.21%
2.16%
2.03%
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 $ 149,345,212
Holdings Count | Holding 97
Advisory Fees Paid, Amount $ 202,650
InvestmentCompanyPortfolioTurnover 23.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$149,345,212
  • Number of Portfolio Holdings97
  • Advisory Fee (net of waivers)$202,650
  • Portfolio Turnover23%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
22.4%
Corporate Bonds
61.4%
Money Market Funds
0.3%
Municipal Bonds
3.7%
U.S. Treasury Obligations
12.2%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
1.0%
Money Market Funds
0.2%
Municipal Bonds
3.7%
U.S. Treasury Obligations
12.1%
Utilities
12.8%
Industrials
17.6%
Collateralized Mortgage Obligations
22.2%
Finance
30.4%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Notes, 2.625%, due 02/15/29
4.7%
Starbucks Corp., 4.850%, due 02/08/27
2.3%
U.S. Treasury Notes, 2.375%, due 05/15/29
2.2%
American Express Co., 4.351%, due 07/20/29
2.2%
JPMorgan Chase & Co., 3.540%, due 05/01/28
2.2%
National Rural Utilities Cooperative Finance Corp. (The), 3.400%, due 02/07/28
2.2%
Bank of New York Mellon Corp., 3.300%, due 08/23/29 - Series K
2.2%
Bank of America Corp., 5.202%, due 04/25/29
2.1%
Becton Dickinson & Co., 3.700%, due 06/06/27
2.1%
Huntington Bancshares, Inc., 6.208%, due 08/21/29
2.1%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000200602  
Shareholder Report [Line Items]  
Fund Name Johnson Institutional Short Duration Bond Fund
Class Name Class F
Trading Symbol JIMDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Institutional Short Duration Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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.
Line Graph [Table Text Block]
Growth of 10K Chart
Table Summary
Johnson Inst Short Duration Bond Fund - Class F
Bloomberg U.S. Aggregate Bond Index
ICE BofA U.S. Corporate & Government, 1-3 Years Index
May-2018
$500,000
$500,000
$500,000
Jun-2018
$501,485
$504,109
$502,128
Jun-2019
$521,814
$543,779
$523,664
Jun-2020
$545,399
$591,303
$545,527
Jun-2021
$546,904
$589,332
$548,466
Jun-2022
$521,216
$528,677
$528,606
Jun-2023
$524,928
$523,720
$531,567
Jun-2024
$550,304
$537,499
$558,012
Jun-2025
$583,863
$570,157
$591,223
Jun-2026
$602,989
$591,771
$610,215
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
Since Inception (May 1, 2018)
Johnson Inst Short Duration Bond Fund - Class F
3.28%
1.97%
2.32%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.08%
2.09%
ICE BofA U.S. Corporate & Government, 1-3 Years Index
3.21%
2.16%
2.47%
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.
AssetsNet $ 149,345,212
Holdings Count | Holding 97
Advisory Fees Paid, Amount $ 202,650
InvestmentCompanyPortfolioTurnover 23.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$149,345,212
  • Number of Portfolio Holdings97
  • Advisory Fee (net of waivers)$202,650
  • Portfolio Turnover23%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
22.4%
Corporate Bonds
61.4%
Money Market Funds
0.3%
Municipal Bonds
3.7%
U.S. Treasury Obligations
12.2%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
1.0%
Money Market Funds
0.2%
Municipal Bonds
3.7%
U.S. Treasury Obligations
12.1%
Utilities
12.8%
Industrials
17.6%
Collateralized Mortgage Obligations
22.2%
Finance
30.4%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
U.S. Treasury Notes, 2.625%, due 02/15/29
4.7%
Starbucks Corp., 4.850%, due 02/08/27
2.3%
U.S. Treasury Notes, 2.375%, due 05/15/29
2.2%
American Express Co., 4.351%, due 07/20/29
2.2%
JPMorgan Chase & Co., 3.540%, due 05/01/28
2.2%
National Rural Utilities Cooperative Finance Corp. (The), 3.400%, due 02/07/28
2.2%
Bank of New York Mellon Corp., 3.300%, due 08/23/29 - Series K
2.2%
Bank of America Corp., 5.202%, due 04/25/29
2.1%
Becton Dickinson & Co., 3.700%, due 06/06/27
2.1%
Huntington Bancshares, Inc., 6.208%, due 08/21/29
2.1%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000229855  
Shareholder Report [Line Items]  
Fund Name Johnson Core Plus Bond Fund
Trading Symbol JCPLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Core Plus Bond Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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
Table Summary
Johnson Core Plus Bond Fund
Bloomberg U.S. Aggregate Bond Index
Nov-2021
$1,000,000
$1,000,000
Jun-2022
$889,226
$899,536
Jun-2023
$885,599
$891,100
Jun-2024
$911,415
$914,545
Jun-2025
$970,310
$970,113
Jun-2026
$1,007,587
$1,006,889
Average Annual Return [Table Text Block]
Table Summary
1 Year
Since Inception (November 17, 2021)
Johnson Core Plus Bond Fund
3.84%
0.16%
Bloomberg U.S. Aggregate Bond Index
3.79%
0.15%
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 $ 51,942,616
Holdings Count | Holding 102
Advisory Fees Paid, Amount $ 120,967
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$51,942,616
  • Number of Portfolio Holdings102
  • Advisory Fee $120,967
  • Portfolio Turnover28%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Collateralized Mortgage Obligations
24.5%
Corporate Bonds
65.3%
Money Market Funds
0.1%
Preferred Stocks
0.3%
U.S. Treasury Obligations
9.8%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
1.0%
Money Market Funds
0.1%
Preferred Stocks
0.3%
Utilities
8.6%
U.S. Treasury Obligations
9.7%
Collateralized Mortgage Obligations
24.3%
Finance
27.3%
Industrials
28.7%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
FNMA, 3.500%, due 08/01/50 - Pool #FS8716
2.1%
PepsiCo, Inc., 5.000%, due 02/07/35 - Series 2020-D
2.1%
Cisco Systems, Inc., 5.050%, due 02/26/34
1.9%
Truist Financial Corp., 2.250%, due 03/11/30
1.9%
U.S. Bancorp, 4.967%, due 07/22/33 - Series BB
1.8%
U.S. Treasury Bonds, 2.375%, due 02/15/42
1.8%
U.S. Treasury Bonds, 2.250%, due 05/15/41
1.8%
Florida Power & Light Co., 5.100%, due 04/01/33
1.8%
Morgan Stanley, 3.591%, due 07/22/28
1.8%
FHLMC, 4.150%, due 12/15/32 - Class GB - Series 5616
1.8%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026. 
C000015715  
Shareholder Report [Line Items]  
Fund Name Johnson Municipal Income Fund
Trading Symbol JMUNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Johnson Municipal Income Fund (the "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 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 <span style="font-weight: 700; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: left; text-align-last: left; white-space-collapse: preserve-breaks;">www.johnsoninv.com/mutualfunds</span>
Expenses [Text Block]

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

(based on a hypothetical $10,000 investment)

Table Summary
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
Table Summary
Johnson Municipal Income Fund
Bloomberg Municipal AA Index
Bloomberg Municipal Bond Index
Jun-2016
$1,000,000
$1,000,000
$1,000,000
Jun-2017
$996,942
$994,790
$995,123
Jun-2018
$998,879
$1,006,490
$1,010,692
Jun-2019
$1,055,166
$1,071,058
$1,078,471
Jun-2020
$1,103,930
$1,124,589
$1,126,446
Jun-2021
$1,126,510
$1,157,988
$1,173,371
Jun-2022
$1,033,643
$1,063,133
$1,072,795
Jun-2023
$1,058,321
$1,095,804
$1,106,980
Jun-2024
$1,091,423
$1,125,715
$1,142,545
Jun-2025
$1,095,641
$1,138,430
$1,155,259
Jun-2026
$1,175,421
$1,216,463
$1,236,524
Average Annual Return [Table Text Block]
Table Summary
1 Year
5 Years
10 Years
Johnson Municipal Income Fund
7.28%
0.85%
1.63%
Bloomberg Municipal AA Index
6.85%
0.99%
1.98%
Bloomberg Municipal Bond Index
7.03%
1.05%
2.15%
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 $ 189,143,119
Holdings Count | Holding 181
Advisory Fees Paid, Amount $ 281,207
InvestmentCompanyPortfolioTurnover 27.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

  • Net Assets$189,143,119
  • Number of Portfolio Holdings181
  • Advisory Fee $281,207
  • Portfolio Turnover27%
Holdings [Text Block]

Quality Allocation (as a percentage of total assets)*

Group By Sector Chart
Table Summary
Value
Value
AAA
12.5%
AA
50.8%
A
30.8%
BBB
4.5%
Not Rated
1.3%

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

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

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Money Market Funds
0.4%
Municipal Bonds
99.6%

Holdings by State of Issuance (% of total investments)

Group By Country Chart
Table Summary
Value
Value
Florida
0.3%
North Dakota
0.3%
Illinois
0.3%
Georgia
0.5%
North Carolina
0.6%
Michigan
0.7%
Virginia
0.8%
Colorado
1.5%
Missouri
1.9%
Kentucky
2.9%
N/A
3.0%
Pennsylvania
3.0%
Indiana
4.3%
Alabama
5.1%
Texas
5.8%
Ohio
69.0%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Ohio Higher Education Facilities Revenue - Denison University, 5.000%, due 11/01/53 - Series 2021-A
2.8%
Ohio State Water Development Authority Revenue, 5.000%, due 06/01/46 - Series 2021
2.4%
Pennsylvania Economic Development Financing Authority UPMC Revenue, 5.000%, due 03/15/60 - Series 2025-A
2.0%
Kings LSD Ohio School Improvement, 5.250%, due 12/01/54 - Series 2024
1.7%
FHLMC, 2.550%, due 06/15/35 - Class A - Series M-053
1.7%
Bowling Green State University Ohio Revenue, 4.000%, due 06/01/45 - Series 2020-A
1.5%
Hamilton County Ohio Hospital Facilities Revenue Cincinnati Children's, 5.000%, due 11/15/41 - Series 2019-CC
1.5%
Energy Southeast Alabama Cooperative District Energy Supply Revenue, 5.250%, due 07/01/54 - Series B
1.4%
Texas Municipal Gas Acquisition and Supply Corp. V Gas Supply Revenue, 5.000%, due 01/01/55
1.4%
Black Belt Energy Gas District Alabama Gas Project Revenue Refunding, 5.500%, due 06/01/49 - Series D-1
1.2%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended June 30, 2026.