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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Stockholders' Equity Note [Abstract] |
Schedule of Common Stock Outstanding Roll Forward | The Company has 50,000,000 shares of no par value common stock authorized. The following table presents a rollforward of changes in common shares issued and outstanding.
| Years Ended December 31,
(in thousands) | 2023 |  | 2022
Issued and outstanding common shares, beginning of year | 13,423 |  |  | 13,632 |
Issuance of common shares | 31 |  |  | 24 |
Repurchase of common shares | (322) |  |  | (233) |
Issued and outstanding common shares, end of year | 13,132 |  |  | 13,423 |
Schedule Of Net Income Per Common Share | The following table presents net income (loss) per common share and diluted net income (loss) per common share.
| Years Ended December 31,
(in thousands, except per share amounts) | 2023 |  | 2022 |  | 2021
Net income (loss) to common shareholders | $ | 1,960,060 |  |  | $ | (252,277) |  |  | $ | 2,387,135 |
Adjustment of redeemable noncontrolling interests | 6,212 |  |  | (69,896) |  |  | 46,874 |
Adjusted net income (loss) to common shareholders | $ | 1,966,272 |  |  | $ | (322,173) |  |  | $ | 2,434,009 |
Basic common shares outstanding | 13,347 |  |  | 13,580 |  |  | 13,768 |
Dilutive potential common shares from restricted stock units and restricted stock (1) (2) | 31 |  |  | — |  |  | 32 |
Diluted common shares outstanding | 13,378 |  |  | 13,580 |  |  | 13,800 |
Basic net income (loss) per common share | $ | 147.32 |  |  | $ | (23.72) |  |  | $ | 176.79 |
Diluted net income (loss) per common share (1) (2) | $ | 146.98 |  |  | $ | (23.72) |  |  | $ | 176.38 |
(1) The Company has issued grants and awards of restricted stock units to employees as performance, retention or hiring incentives, as well as awards of restricted stock to non-employee directors, under its equity incentive compensation plan. At December 31, 2023, there were 86,144 shares available for future awards under the Company's equity incentive compensation plan. (2) The impact of 33 thousand shares from restricted stock units and restricted stock was excluded from the computation of diluted net loss per common share for the year ended December 31, 2022 because the effect would have been anti-dilutive.

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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