| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 |
| | 10-K | 10-K | 10-K/A | 10-K/A |
| Cash flows from operating activities: | | | | |
| Net loss | -7.9 | 96.5 | 0.0 | 0.2 |
| Adjustments to reconcile net loss to net cash used in operating activities | | | | |
| Share-based compensation expense | 2.1 | | | |
| Depreciation on property and equipment | 0.4 | 0.0 | | |
| Interest income on notes receivable | | | | |
| Foreign exchange (gain) loss, net | 2.6 | 0.2 | | |
| Investment (income) loss, net | 8.9 | -130.3 | | |
| Change in fair value of warrant liabilities | 0.0 | | | |
| Change in fair value of forward share purchase liability | 5.4 | | | |
| Loss on settlement of forward share purchase agreement | | | -0.1 | 0.0 |
| Accounts receivable | -1.9 | 1.7 | | |
| Loans receivable | 2.3 | 16.7 | | |
| Deposit, prepayments, and others receivables | -0.2 | -2.0 | | |
| Accounts payable and accrued liabilities | 10.9 | -0.4 | | |
| Escrow liabilities | -5.0 | -9.8 | | |
| Income tax payable | -0.3 | 22.9 | | |
| Net cash used in operating activities | -1.3 | -2.2 | -0.5 | -0.4 |
| Proceeds from sale of long-term investments | 1.9 | 186.8 | | |
| Addition in long-term investments | | -2.9 | | |
| Purchase of property and equipment | -1.0 | 0.0 | | |
| Net cash provided by (used in) investing activities | 0.0 | 177.5 | | -46.0 |
| Proceeds from borrowings | 4.5 | | | |
| Dividend paid to holding company | -17.4 | | | |
| Net cash used in financing activities | 16.7 | -163.9 | 0.2 | 47.3 |
| Effect on exchange rate change on cash, cash equivalents and restricted cash | -0.4 | -0.2 | | |
| Net change in cash, cash equivalent and restricted cash | 15.4 | 11.3 | | |
| Cash paid for income taxes | 0.5 | | | |
| Cash paid for interest | 0.1 | 0.0 | | |
| |
| Reconciliation to amounts on consolidated balance sheets: | | | | |
| Restricted cash | | | | |
| Total cash, cash equivalents and restricted cash | | | | |
| SUPPLEMENTAL NON-CASH DISCLOSURES | | | | |
| Issuance of ordinary shares to settle finder fee | | | | |
| Forgiveness of amount due to holding company | | | | |
| Operating lease right-of-use asset obtained in exchange for operating lease liabilities | | | | |
| Purchase of property and equipment, through earnest deposit | | | | |
| Special dividend to the holding company offset with amount due from the holding company | | | | |