Revision of Previously Issued Consolidated Financial Statements - Effect on Consolidated Statements of Operations (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||||||
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Mar. 31, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||||||||
| Insurance and other income, net | $ 100,336,525 | $ 99,080,519 | $ 104,282,587 | ||||||||
| Total revenues | $ 175,907,000 | $ 141,637,000 | $ 134,848,000 | $ 132,775,000 | $ 163,688,000 | $ 138,955,000 | $ 131,729,000 | $ 129,801,000 | 585,166,700 | 564,171,036 | 572,810,448 |
| Income before income taxes | 45,242,515 | 111,314,948 | 99,004,782 | ||||||||
| Income taxes | 9,618,000 | (4,000) | 358,000 | 684,000 | 10,434,000 | 2,706,000 | 5,882,000 | 3,050,000 | 10,656,491 | 22,072,226 | 21,958,438 |
| Net income | $ 35,290,000 | $ (625,000) | $ (1,662,000) | $ 1,585,000 | $ 43,100,000 | $ 13,629,000 | $ 22,366,000 | $ 10,151,000 | $ 34,586,024 | $ 89,242,722 | $ 77,046,344 |
| Net income per common share, basic (in dollars per share) | $ 7.53 | $ (0.13) | $ (0.33) | $ 0.30 | $ 8.11 | $ 2.51 | $ 4.09 | $ 1.85 | $ 7.00 | $ 16.45 | $ 13.40 |
| Net income per common share, diluted (in dollars per share) | $ 7.44 | $ (0.13) | $ (0.33) | $ 0.30 | $ 7.91 | $ 2.49 | $ 4.03 | $ 1.82 | $ 6.88 | $ 16.21 | $ 13.14 |
| As Reported | |||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||||||||
| Insurance and other income, net | $ 99,750,948 | $ 104,685,541 | |||||||||
| Total revenues | 564,841,465 | 573,213,402 | |||||||||
| Income before income taxes | 111,985,377 | 99,407,736 | |||||||||
| Income taxes | 22,243,979 | 22,062,509 | |||||||||
| Net income | $ 89,741,398 | $ 77,345,227 | |||||||||
| Net income per common share, basic (in dollars per share) | $ 16.54 | $ 13.45 | |||||||||
| Net income per common share, diluted (in dollars per share) | $ 16.30 | $ 13.19 | |||||||||
| Increase (Decrease) | |||||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||||||||
| Insurance and other income, net | $ (670,429) | $ (402,954) | |||||||||
| Total revenues | (670,429) | (402,954) | |||||||||
| Income before income taxes | (670,429) | (402,954) | |||||||||
| Income taxes | (171,753) | (104,071) | |||||||||
| Net income | $ (498,676) | $ (298,883) | |||||||||
| Net income per common share, basic (in dollars per share) | $ (0.09) | $ (0.05) | |||||||||
| Net income per common share, diluted (in dollars per share) | $ (0.09) | $ (0.05) | |||||||||
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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