v3.26.1
California Tax Free Bond ETF Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
BLOOMBERG US MUNICIPAL INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 4.25% 0.80% 2.34%
BLOOMBERG CALIFORNIA MUNICIPAL BOND INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 4.11% 0.76% 2.29%
BLOOMBERG LB CALIFORNIA 1-17 YEAR MUNI INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 5.10% 1.09% 2.15%
ETF      
Prospectus [Line Items]      
Average Annual Return, Percent 3.87% 0.70% 1.77%
ETF | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 3.85% 0.68% 1.75%
ETF | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.67% 1.09% 1.92%
[1] Benchmark returns are not available because the life of the benchmark, since its inception, has not yet surpassed the periods indicated.