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Note 18 - Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information [Text Block] | Quarterly Financial Data (Unaudited)
|  | 2020 Quarters
(In thousands, except per-share amounts) |  | First |  | Second |  | Third |  | Fourth |  | Year
Net premiums earned |  | $ | 277,415 |  |  | $ | 249,295 |  |  | $ | 286,471 |  |  | $ | 302,140 |  |  | $ | 1,115,321 |
Services revenue |  | 31,927 |  |  | 28,075 |  |  | 33,943 |  |  | 11,440 |  |  | 105,385 |
Net investment income |  | 40,944 |  |  | 38,723 |  |  | 36,255 |  |  | 38,115 |  |  | 154,037 |
Net gains (losses) on investments and other financial instruments |  | (22,027) |  |  | 47,276 |  |  | 17,652 |  |  | 17,376 |  |  | 60,277 |
Provision for losses |  | 35,951 |  |  | 304,418 |  |  | 88,084 |  |  | 56,664 |  |  | 485,117 |
Policy acquisition costs |  | 7,413 |  |  | 6,015 |  |  | 10,166 |  |  | 7,395 |  |  | 30,989 |
Cost of services |  | 22,141 |  |  | 17,972 |  |  | 24,353 |  |  | 21,600 |  |  | 86,066 |
Other operating expenses |  | 69,110 |  |  | 60,582 |  |  | 69,377 |  |  | 81,641 |  |  | 280,710 |
Amortization and impairment of other acquired intangible assets |  | 979 |  |  | 979 |  |  | 961 |  |  | 2,225 |  |  | 5,144 |
Net income (loss) |  | 140,461 |  |  | (29,951) |  |  | 135,103 |  |  | 148,013 |  |  | 393,626 |
Diluted net income (loss) per share (1) |  | $ | 0.70 |  |  | $ | (0.15) |  |  | $ | 0.70 |  |  | $ | 0.76 |  |  | $ | 2.00 |
Weighted-average shares outstanding—diluted |  | 201,819 |  |  | 193,299 |  |  | 194,156 |  |  | 194,663 |  |  | 196,642 |
|  | 2019 Quarters
|  | First |  | Second |  | Third |  | Fourth |  | Year
Net premiums earned |  | $ | 263,512 |  |  | $ | 299,166 |  |  | $ | 281,185 |  |  | $ | 301,486 |  |  | $ | 1,145,349 |
Services revenue |  | 32,753 |  |  | 39,303 |  |  | 42,509 |  |  | 40,031 |  |  | 154,596 |
Net investment income |  | 43,847 |  |  | 43,761 |  |  | 42,756 |  |  | 41,432 |  |  | 171,796 |
Net gains (losses) on investments and other financial instruments |  | 21,913 |  |  | 12,540 |  |  | 13,009 |  |  | 4,257 |  |  | 51,719 |
Provision for losses |  | 20,754 |  |  | 47,427 |  |  | 29,231 |  |  | 34,619 |  |  | 132,031 |
Policy acquisition costs |  | 5,893 |  |  | 6,203 |  |  | 6,435 |  |  | 6,783 |  |  | 25,314 |
Cost of services |  | 24,157 |  |  | 27,845 |  |  | 29,044 |  |  | 27,278 |  |  | 108,324 |
Other operating expenses |  | 78,805 |  |  | 70,046 |  |  | 76,384 |  |  | 80,894 |  |  | 306,129 |
Loss on extinguishment of debt |  | — |  |  | 16,798 |  |  | 5,940 |  |  | — |  |  | 22,738 |
Impairment of goodwill |  | — |  |  | — |  |  | — |  |  | 4,828 |  |  | 4,828 |
Amortization and impairment of other acquired intangible assets |  | 2,187 |  |  | 2,139 |  |  | 2,139 |  |  | 15,823 |  |  | 22,288 |
Net income |  | 170,957 |  |  | 166,730 |  |  | 173,438 |  |  | 161,184 |  |  | 672,309 |
Diluted net income per share (1) |  | $ | 0.78 |  |  | $ | 0.78 |  |  | $ | 0.83 |  |  | $ | 0.79 |  |  | $ | 3.20 |
Weighted-average shares outstanding—diluted |  | 218,343 |  |  | 213,603 |  |  | 208,691 |  |  | 205,165 |  |  | 210,340 |
(1)Diluted net income (loss) per share is computed independently for each period presented. Consequently, the sum of the quarters may not equal the total net income per share for the year.

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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