| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Cash flows from operating activities: | | | | | | | | |
| Net income | 13.5 | 25.9 | 5.2 | 23.8 | 6.2 | 8.3 | 32.0 | -4.4 |
| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Amortization of debt issuance costs | -2.1 | -1.1 | -1.8 | -0.2 | 0.5 | -1.9 | -2.7 | -1.4 |
| Deferred income taxes | -3.9 | 7.0 | -1.7 | -7.1 | 0.0 | 15.7 | -21.6 | 3.3 |
| Change in fair value of warrants | -0.4 | -0.3 | 0.6 | -0.4 | -0.5 | 1.1 | -0.6 | 3.3 |
| Change in fair value of equity securities | 0.5 | -1.8 | 0.6 | -1.6 | 1.0 | | | |
| Loan discount and fee accretion | -2.1 | -1.1 | -1.8 | -0.2 | 0.5 | -1.9 | -2.7 | -1.4 |
| Interest paid-in-kind | -6.0 | -1.0 | -2.1 | -1.3 | -0.2 | -1.8 | -0.4 | -1.1 |
| Stock-based compensation | 0.5 | 1.2 | 0.7 | 0.5 | 0.3 | 0.3 | | 0.6 |
| Depreciation and amortization | 2.6 | 4.1 | 12.1 | 5.0 | | | | |
| Changes in operating assets and liabilities: | | | | | | | | |
| Interest and accounts receivable | -1.3 | 0.1 | 0.6 | -0.2 | -0.6 | | | |
| Other assets | 0.0 | -1.8 | -1.0 | -0.2 | 0.2 | 0.0 | -0.4 | -0.6 |
| Accounts payable and other liabilities | -1.6 | 2.2 | 1.5 | 1.7 | -1.3 | 1.2 | -0.1 | -0.1 |
| Net cash provided by operating activities | 8.2 | 34.3 | 19.3 | 18.5 | 19.6 | 19.5 | 9.6 | 11.2 |
| Cash flows from investing activities: | | | | | | | | |
| Investment in finance receivables | -93.1 | -42.4 | -42.9 | -51.0 | -90.1 | -37.4 | -75.0 | |
| Repayment of finance receivables | 45.7 | 67.2 | 11.8 | 44.0 | 61.7 | 7.4 | 45.3 | |
| Corporate debt securities principal payments | 0.0 | 0.1 | 0.1 | | | | | |
| Purchases of property and equipment | -0.3 | -1.1 | -3.9 | 0.0 | | | | |
| Net cash provided by investing activities | -43.5 | 25.8 | -35.2 | -26.7 | -28.1 | -12.1 | -21.1 | -18.9 |
| |
| Cash flows from financing activities: | | | | | | | | |
| Payments for financing costs | | | | | -0.5 | | | |
| Net payments on credit facility | 2.4 | -11.8 | 11.8 | | | | | |
| Repurchases of common stock, including fees and expenses | -1.1 | | -2.0 | -0.9 | -1.4 | | | |
| Net cash used in financing activities | -1.4 | -20.2 | 7.7 | -0.9 | -1.8 | -9.0 | -3.7 | -3.8 |
| Cash and cash equivalents at beginning of period | 42.9 | 3.0 | 11.2 | 20.2 | 30.6 | 32.2 | 47.3 | 58.7 |
| Cash and cash equivalents at end of period | 6.2 | 42.9 | 3.0 | 11.2 | 20.2 | 30.6 | 32.2 | 47.3 |