v3.26.1
Shareholder Report, Average Annual Return (Details)
6 Months Ended 12 Months Ended 34 Months Ended 55 Months Ended 60 Months Ended 98 Months Ended 120 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
C000015708              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Equity Income Fund - Class I            
C000244749              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Equity Income Fund - Class S            
C000015712              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Opportunity Fund - Class I            
C000244750              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Opportunity Fund - Class S            
C000015709              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Enhanced Return Fund            
C000244751              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Core Bond Fund - Class I            
C000200604              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Core Bond Fund - Class F            
C000015718              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Core Bond Fund - Class S            
C000015717              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Intermediate Bond Fund - Class I            
C000200603              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Intermediate Bond Fund - Class F            
C000015716              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Short Duration Bond Fund - Class I            
C000200602              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Inst Short Duration Bond Fund - Class F            
C000229855              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Core Plus Bond Fund            
C000015715              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Johnson Municipal Income Fund            
Without Sales Load [Member] | C000015708              
Average Annual Return [Line Items]              
Average Annual Return, Percent   9.61%     7.51%   12.30%
Without Sales Load [Member] | C000244749              
Average Annual Return [Line Items]              
Average Annual Return, Percent   9.36% 10.98%        
Without Sales Load [Member] | C000015712              
Average Annual Return [Line Items]              
Average Annual Return, Percent   15.39%     7.48%   10.34%
Without Sales Load [Member] | C000244750              
Average Annual Return [Line Items]              
Average Annual Return, Percent   15.10% 12.49%        
Without Sales Load [Member] | C000015709              
Average Annual Return [Line Items]              
Average Annual Return, Percent   20.47%     10.69%   14.02%
Without Sales Load [Member] | C000244751              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.84%     (0.06%)   1.75%
Without Sales Load [Member] | C000200604              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.67%     (0.23%) 2.04%  
Without Sales Load [Member] | C000015718              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.62% 5.13%        
Without Sales Load [Member] | C000015717              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.27%     1.10%   2.12%
Without Sales Load [Member] | C000200603              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.14%     0.94% 2.38%  
Without Sales Load [Member] | C000015716              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.37%     2.12%   2.12%
Without Sales Load [Member] | C000200602              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.28%     1.97% 2.32%  
Without Sales Load [Member] | C000229855              
Average Annual Return [Line Items]              
Average Annual Return, Percent   3.84%   0.16%      
Without Sales Load [Member] | C000015715              
Average Annual Return [Line Items]              
Average Annual Return, Percent   7.28%     0.85%   1.63%
S&P 500 Index TR              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   22.32%     13.41%   15.51%
S&P 500 Index TR              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   22.32% 22.16%        
Russell 3000 Total Return Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   22.81%     12.30%   15.06%
Russell 3000 Total Return Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Russell 3000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   22.81% 21.91%        
S&P 500 Index TR              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   22.32%     13.41%   15.51%
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%     0.08%   1.54%
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%     0.08% 2.09%  
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79% 5.15%        
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%     0.08%   1.54%
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%     0.08% 2.09%  
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%     0.08%   1.54%
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%     0.08% 2.09%  
Bloomberg U.S. Aggregate Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index            
Average Annual Return, Percent   3.79%   0.15%      
Bloomberg Municipal Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg Municipal Bond Index            
Average Annual Return, Percent   7.03%     1.05%   2.15%
Russell 2500 Total Return              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Russell 2500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   36.72%     8.30%   12.25%
Russell 2500 Total Return              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Russell 2500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index            
Average Annual Return, Percent   36.72% 20.70%        
Bloomberg Intermediate U.S. Government/Credit Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg Intermediate U.S. Government/Credit Bond Index            
Average Annual Return, Percent   3.14%     1.22%   1.92%
Bloomberg Intermediate U.S. Government/Credit Bond Index              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg Intermediate U.S. Government/Credit Bond Index            
Average Annual Return, Percent   3.14%     1.22% 2.54%  
ICE BofA U.S. Corporate & Government, 1-3 Yrs              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name ICE BofA U.S. Corporate & Government, 1-3 Years Index            
Average Annual Return, Percent   3.21%     2.16%   2.03%
ICE BofA U.S. Corporate & Government, 1-3 Yrs              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name ICE BofA U.S. Corporate & Government, 1-3 Years Index            
Average Annual Return, Percent   3.21%     2.16% 2.47%  
Bloomberg Municipal AA TR Index Unhedged (USD)              
Average Annual Return [Line Items]              
Line Graph and Table Measure Name Bloomberg Municipal AA Index            
Average Annual Return, Percent   6.85%     0.99%   1.98%