| Fiscal period | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|
| Period End Date | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
|---|
| Gross premiums earned | 1,083.22 | 765.51 | 724.72 | 577.04 | 415.92 | 342.08 | 343.07 | 358.25 | 378.68 | 423.12 |
| Premiums ceded | 405.66 | 269.63 | 261.14 | 199.74 | 153.46 | 125.77 | 129.64 | 133.64 | 135.05 | 140.61 |
| Net premiums earned | 677.56 | 495.89 | 463.57 | 377.30 | 262.46 | 216.31 | 213.42 | 224.62 | 243.63 | 282.51 |
| Policy fee income | 4.64 | 4.70 | 4.28 | 4.00 | 3.52 | 3.23 | 3.39 | 3.62 | 3.91 | 3.50 |
| Realized Investment Gains | 3.38 | (2.00) | (1.19) | 6.47 | 1.00 | (0.25) | 6.18 | 4.35 | 2.60 | (0.61) |
| Net unrealized investment gains | 2.64 | 3.22 | (7.15) | 1.36 | 0.68 | 7.95 | (10.20) | 0.09 | -- | -- |
| Net investment income | 59.15 | 46.23 | 32.45 | 12.34 | 4.56 | 13.64 | 16.58 | 11.44 | 9.09 | 3.98 |
| Gain on bargain purchase | -- | -- | -- | -- | -- | -- | -- | -- | 2.07 | -- |
| Credit losses on investments | -- | -- | -- | 0.00 | (0.61) | -- | -- | -- | -- | -- |
| Other | 2.68 | 2.63 | 4.49 | 6.45 | 1.85 | 1.88 | 2.00 | 1.76 | 1.47 | 1.26 |
| Other-than-temporary impairment losses | -- | -- | -- | -- | -- | (0.29) | (0.08) | (1.12) | (2.25) | (5.28) |
| Portion of loss recognized in other comprehensive income, before taxes | -- | -- | -- | -- | -- | -- | -- | (0.35) | (0.23) | 0.59 |
| Gain on repurchases of convertible senior notes | -- | -- | -- | -- | -- | -- | -- | -- | 0.15 | -- |
| Gain on remeasurement of previously held interest | -- | -- | -- | -- | -- | -- | -- | -- | 4.01 | -- |
| Gain on involuntary conversion | -- | -- | -- | -- | 36.97 | -- | -- | -- | -- | -- |
| Gain from remeasurement of contingent liabilities | -- | -- | 3.12 | -- | -- | -- | -- | -- | -- | -- |
| Total revenue | 750.05 | 550.67 | 499.56 | 407.92 | 310.44 | 242.47 | 231.29 | 244.41 | 264.45 | 285.95 |
| Losses and loss adjustment expenses | 374.71 | 254.58 | 371.46 | 227.53 | 160.04 | 107.51 | 109.33 | 165.63 | 124.67 | 87.22 |
| Policy acquisition and other underwriting expenses | 99.40 | 90.82 | 104.98 | 93.73 | 53.86 | 42.50 | 38.94 | 39.66 | 42.64 | 41.98 |
| Goodwill impairment loss | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest expense | 13.34 | 11.12 | 7.77 | 6.40 | 11.73 | 13.06 | 18.10 | 16.77 | 11.08 | 10.75 |
| Salaries and wages | -- | -- | -- | -- | -- | -- | -- | -- | 19.04 | 20.14 |
| General and administrative personnel expenses | 63.15 | 53.87 | 56.51 | 45.43 | 33.83 | 31.11 | 25.91 | 25.13 | -- | -- |
| Other operating expenses | (26.02) | (22.63) | (24.98) | 21.84 | (13.80) | (12.20) | 12.12 | (12.06) | (19.78) | (19.66) |
| Impairment loss | -- | -- | (2.28) | -- | -- | -- | -- | (0.04) | (0.39) | -- |
| Loss on extinguishment of debt | -- | -- | -- | -- | (0.10) | -- | -- | -- | -- | -- |
| Loss on repurchase of senior notes | -- | -- | -- | -- | (0.15) | -- | -- | (0.74) | -- | -- |
| Total expenses | 576.62 | 433.02 | 567.98 | 396.68 | 273.51 | 206.38 | -- | 260.03 | 217.59 | 179.76 |
| Debt conversion expense | -- | -- | -- | 1.75 | -- | -- | -- | -- | -- | -- |
| Income before income taxes | 173.43 | 117.65 | (68.42) | 11.23 | 36.93 | 36.09 | 26.90 | (15.62) | 46.86 | 106.19 |
| Income taxes | 45.85 | 28.39 | (13.82) | 3.99 | 9.35 | 9.52 | 9.18 | (8.73) | 17.84 | 40.33 |
| Current:Federal | -- | -- | -- | -- | 1.09 | 6.18 | 7.44 | (3.93) | 14.92 | 34.77 |
| Current:State | -- | -- | -- | -- | 0.03 | 1.36 | 1.49 | 0.03 | 2.67 | 5.86 |
| Current:Foreign | -- | -- | -- | -- | 0.11 | 0.11 | 0.10 | 0.08 | 0.10 | 0.07 |
| Deferred:Federal | -- | -- | -- | -- | 6.69 | 1.59 | (0.25) | (4.14) | 0.18 | (0.28) |
| Deferred: Foreign | -- | -- | -- | -- | (0.01) | 0.00 | (0.01) | (0.01) | (0.02) | (0.04) |
| Deferred:State | -- | -- | -- | -- | 1.44 | 0.29 | 0.39 | (0.76) | (0.01) | (0.05) |
| Consolidated Net income | 127.58 | 89.26 | (54.60) | 7.24 | 27.58 | 26.58 | 17.73 | (6.89) | 29.02 | 65.86 |
| Net income attributable to redeemable noncontrolling interest | 10.15 | 9.37 | 9.11 | 7.40 | -- | -- | -- | -- | -- | -- |
| Net loss attributable to noncontrolling interests | 7.48 | 0.85 | (5.20) | (2.01) | -- | -- | -- | -- | -- | -- |
| Preferred stock dividends | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Less: Income attributable to participating securities | 4.11 | 2.63 | (3.46) | 0.02 | 1.46 | 1.45 | (0.72) | (0.48) | 1.55 | 3.40 |
| Income available to common stockholders | 105.84 | 76.41 | (55.05) | 1.83 | 26.12 | 25.13 | 18.44 | (6.41) | 27.48 | 62.46 |
| Basic earnings per common share | 10.59 | 9.13 | (6.24) | 0.23 | 3.55 | 3.32 | 2.34 | (0.75) | 2.95 | 6.51 |
| Diluted earnings per common share | 8.89 | 7.62 | (6.24) | 0.21 | 3.49 | 3.31 | 2.34 | (0.75) | 2.92 | 5.90 |
| Weighted Average Shares Outstanding (Basic) | 10.00 | 8.37 | 8.82 | 8.09 | 7.35 | 7.58 | 7.88 | 8.56 | 9.33 | 9.60 |
| Weighted Average Shares Outstanding (Diluted) | 12.69 | 11.04 | 8.82 | 8.58 | 9.69 | 10.24 | 7.90 | 8.56 | 10.87 | 11.36 |