| N-2 | Aug. 01, 2024 USD ($) |
| Cover [Abstract] | |
| Entity Central Index Key | 0001754927 |
| Amendment Flag | false |
| Document Type | 424B3 |
| Entity Registrant Name | Axonic Alternative Income Fund |
| Other Annual Expenses [Abstract] | |
| Expense Example [Table Text Block] | Example: An investor would pay the following expenses on a $1,000 investment, assuming a 5.0% annual return: Period Invested 1 Year 3 Years 5 Years 10 Years Institutional Shares $29 $81 $137 $287 Class A Shares $75 $126 $194 $374 You would pay the following expenses if you did not redeem your shares: Period Invested 1 Year 3 Years 5 Years 10 Years Institutional Shares $29 $81 $137 $287 Class A Shares $60 $126 $194 $374 |
| Institutional Shares [Member] | |
| Other Annual Expenses [Abstract] | |
| Expense Example, Year 01 | $ 29 |
| Expense Example, Years 1 to 3 | 81 |
| Expense Example, Years 1 to 5 | 137 |
| Expense Example, Years 1 to 10 | 287 |
| A Shares [Member] | |
| Other Annual Expenses [Abstract] | |
| Expense Example, Year 01 | 75 |
| Expense Example, Years 1 to 3 | 126 |
| Expense Example, Years 1 to 5 | 194 |
| Expense Example, Years 1 to 10 | $ 374 |
