Services [Member] Average Annual Total Returns - Service |
12 Months Ended | 60 Months Ended | 120 Months Ended | |||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
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| Bloomberg Municipal Bond Index (Reflects no deduction for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 1.05% | 0.99% | 2.25% | |||
| Pennsylvania Customized Reference Benchmark (Reflects no deduction for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 2.26% | 1.12% | [1] | |||
| Service Shares | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 2.67% | 0.48% | 1.81% | |||
| Service Shares | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 2.67% | 0.48% | 1.81% | |||
| Service Shares | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 2.92% | 1.02% | 2.15% | |||
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