| In millions, except per share items | Dec-31-21 | Sep-30-21 |
| | 10-K | 10-Q |
| Formation and operating costs | 1.9 | 1.2 |
| Loss from operations | -1.9 | -1.2 |
| |
| Other income (expense): | | |
| Change in fair value of warrants | | |
| Transaction costs allocated to warrant liabilities | | |
| Fair value of warrant liability in excess of purchase price paid for Private Placement Warrants | | |
| Interest earned on marketable securities held in Trust Account | 0.0 | 0.0 |
| Other income, net | 2.8 | -1.3 |
| Net income (loss) | 1.2 | -2.2 |
| |
| Weighted average shares outstanding of Class A common stock (in Shares) | 21.7 | 16.7 |
| Basic and diluted net income per share, redeemable Class A common stock | 0.0 | 0.0 |
| |
| Basic net income (loss) per share, Class B common stock (in Dollars per share) | ($0.15) | ($0.25) |