Annual Total Returns |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| AAMA Equity Fund | AAMA Equity Fund Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 17.35% | 16.39% | 17.32% | (14.13%) | 22.58% | 12.70% | 24.62% | (4.58%) |
| AAMA Income Fund | AAMA Income Fund Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 3.94% | 3.48% | 3.84% | (6.26%) | (1.37%) | 2.24% | 2.47% | 0.89% |