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Consolidated Statements of Financial Position (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Investments: |  |
Fixed maturities available-for-sale, cost | $ 1,381,318 | $ 1,343,755
Private equity funds | 66,846 | 56,038
Accounts Receivable, Allowance for Credit Loss | $ 347 | $ 111
Common Stock Class A [Member] |  |
Stockholders' equity: |  |
Common stock, par value (in dollars per share) | $ 0 | $ 0
Common stock, shares authorized (in shares) | 100,000,000 | 100,000,000
Common stock, shares issued (in shares) | 53,758,176 | 53,170,413
Common stock, shares outstanding (in shares) | 53,758,176 | 53,170,413
Common stock, shares in treasury (in shares) | 3,935,581 | 3,135,738
Common Stock Class B [Member] |  |
Stockholders' equity: |  |
Common stock, par value (in dollars per share) | $ 0 | $ 0
Common stock, shares authorized (in shares) | 2,000,000 | 2,000,000
Common stock, shares issued (in shares) | 1,001,714 | 1,001,714
Common stock, shares outstanding (in shares) | 1,001,714 | 1,001,714
Common stock, shares in treasury (in shares) | 1,001,714 | 1,001,714

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