| Line Item | Jun 30, 2026 | Mar 31, 2026 | Sep 30, 2025 | Jun 30, 2025 |
|---|---|---|---|---|
| Loss from operations: | ||||
| Formation, general and administrative expenses | ||||
| Listing fees | ||||
| Insurance expense | ||||
| Subscription expense | — | |||
| Net loss from operations | ||||
| Net income (loss) | ||||
| Basic net income per shares subject to possible redemption | — | — | — | |
| Diluted net income per shares subject to possible redemption | — | — | — |