v3.26.1
Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Short-Intermediate Bond Fund | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 7.30% (0.36%) 2.01%
Short-Intermediate Bond Fund | Bloomberg 1-3 Year US Government/ Credit Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.35% 1.97% 2.09%
Short-Intermediate Bond Fund | Institutional Class      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 2.07% 2.33%
Short-Intermediate Bond Fund | Institutional Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 3.80% 0.87% 1.27%
Short-Intermediate Bond Fund | Institutional Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.25% 1.06% 1.32%
Short-Intermediate Bond Fund | Institutional Plus Class      
Prospectus [Line Items]      
Average Annual Return, Percent 5.62% 2.24% 2.52%
Income Fund | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 7.30% (0.36%) 2.01%
Income Fund | Institutional Class      
Prospectus [Line Items]      
Average Annual Return, Percent 7.08% (0.23%) 2.03%
Income Fund | Institutional Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.67% (1.40%) 0.84%
Income Fund | Institutional Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 4.17% (0.68%) 1.04%
Income Fund | Institutional Plus Class      
Prospectus [Line Items]      
Average Annual Return, Percent 7.22% (0.09%) 2.19%
Tributary Nebraska Tax-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 4.25% 0.80% 2.34%
Tributary Nebraska Tax-Free Fund | Bloomberg 1-15 Year Municipal Blend Index (1-17) (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.18% 1.16% 2.27%
Tributary Nebraska Tax-Free Fund | Institutional Plus Class      
Prospectus [Line Items]      
Average Annual Return, Percent 5.25% 0.66% 1.76%
Tributary Nebraska Tax-Free Fund | Institutional Plus Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.25% 0.63% 1.73%
Tributary Nebraska Tax-Free Fund | Institutional Plus Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 4.16% 0.94% 1.88%
Balanced Fund | Russell 3000 Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.15% 13.15% 14.29%
Balanced Fund | Composite Index (60% Russell 3000® Index, 40% Bloomberg Barclays U.S. Intermediate Government/Credit Bond Index) (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 13.15% 8.35% 9.63%
Balanced Fund | Bloomberg U.S. Intermediate Government/Credit Bond Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 6.97% 0.96% 2.29%
Balanced Fund | Institutional Class      
Prospectus [Line Items]      
Average Annual Return, Percent 10.28% 7.87% 8.76%
Balanced Fund | Institutional Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 7.68% 6.09% 7.05%
Balanced Fund | Institutional Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 7.53% 5.88% 6.70%
Balanced Fund | Institutional Plus Class      
Prospectus [Line Items]      
Average Annual Return, Percent 10.50% 8.05% 8.95%
Tributary Small/Mid Cap Fund | Russell 2500 Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 11.91% 7.26% 9.92%
Tributary Small/Mid Cap Fund | Russell 2500 Value Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.73% 10.02% 9.93%
Tributary Small/Mid Cap Fund | Institutional Class      
Prospectus [Line Items]      
Average Annual Return, Percent (5.46%) 6.56% 8.62%
Tributary Small/Mid Cap Fund | Institutional Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent (5.46%) 6.26% 8.38%
Tributary Small/Mid Cap Fund | Institutional Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent (3.24%) 5.09% 6.84%
Tributary Small/Mid Cap Fund | Institutional Plus Class      
Prospectus [Line Items]      
Average Annual Return, Percent (5.44%) 6.63% 8.75%
Small Company Fund | Russell 2000® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.81% 6.09% 9.62%
Small Company Fund | Russell 2000® Value Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.59% 8.88% 9.27%
Small Company Fund | Institutional Class      
Prospectus [Line Items]      
Average Annual Return, Percent (3.73%) 7.24% 7.90%
Small Company Fund | Institutional Class | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent (5.34%) 4.94% 6.41%
Small Company Fund | Institutional Class | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent (1.06%) 5.38% 6.17%
Small Company Fund | Institutional Plus Class      
Prospectus [Line Items]      
Average Annual Return, Percent (3.52%) 7.47% 8.14%