Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 81 Months Ended | |
|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg Municipal Bond 1-10 Year Blend Index[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 5.14% | 1.21% | 2.01% | |
| Bloomberg U.S. Aggregate Bond Index[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.30% | (0.36%) | 1.68% | |
| Separate Account Institutional Shares | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.61% | 1.99% | 3.28% | |
| Performance Inception Date | Apr. 01, 2019 |