v3.26.1
Average Annual Total Returns
 12 Months Ended 60 Months Ended 85 Months Ended 120 Months Ended
Jul. 29, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
 [1]
Dec. 31, 2025
HAWAIIAN TAX-FREE TRUST CLASS A          
Prospectus [Line Items]          
Average Annual Return, Percent   0.72% (0.42%)   0.76%
HAWAIIAN TAX-FREE TRUST CLASS C          
Prospectus [Line Items]          
Average Annual Return, Percent   1.96% (0.61%)   0.35%
HAWAIIAN TAX-FREE TRUST CLASS F          
Prospectus [Line Items]          
Average Annual Return, Percent   4.00% 0.38% 1.60%  
Performance Inception Date Nov. 30, 2018        
HAWAIIAN TAX-FREE TRUST CLASS Y          
Prospectus [Line Items]          
Average Annual Return, Percent   4.00% 0.39%   1.37%
HAWAIIAN TAX-FREE TRUST CLASS Y | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   4.00% 0.39%   1.37%
HAWAIIAN TAX-FREE TRUST CLASS Y | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   3.51% 0.78%   1.54%
HAWAIIAN TAX-FREE TRUST CLASS Y | Bloomberg Municipal Bond Index* (reflects no deduction for fees, expenses or taxes)          
Prospectus [Line Items]          
Average Annual Return, Percent [2]   4.25% 0.80%   2.35%
HAWAIIAN TAX-FREE TRUST CLASS Y | Bloomberg Hawaii Municipal Bond Index* (reflects no deduction for fees, expenses or taxes)          
Prospectus [Line Items]          
Average Annual Return, Percent [2]   4.72% 0.64%   2.12%
[1] Inception date - November 30, 2018.
[2] Source: Bloomberg Index Services Limited. BLOOMBERG® is a trademark and service mark of Bloomberg Finance L.P. and its affiliates (collectively “Bloomberg”). Bloomberg, or Bloomberg’s licensors, own all proprietary rights in the Bloomberg Indices. Neither Bloomberg nor Bloomberg’s licensors approve or endorse this material, or guarantee the accuracy or completeness of any information herein, nor does Bloomberg make any warranty, express or implied, as to the results to be obtained therefrom, and to the maximum extent allowed by law, neither shall have any liability or responsibility for injury or damages arising in connection therewith.