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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fixed maturities available for sale, at amortized cost | $ 22,614,859 | $ 19,708,561
Allowance for credit losses on investments | 41,355 | 2,883
Investments accounted for using the fair value option | 1,644,197 | 1,973,550
Allowance for credit losses on premiums receivable | 35,402 | 39,958
Allowance for credit losses on reinsurance recoverable | 21,544 | 13,230
Allowance for credit loss on contractholder receivable | $ 2,691 | $ 3,437
Common shares, par value per share | $ 0.0011 | $ 0.0011
Common shares issued (shares) | 588,250,762 | 583,289,850
Common shares held in treasury (shares) | 217,904,765 | 204,365,956
Fixed maturities available for sale, at fair value (amortized cost: $21,281,863 and $17,973,823; net of allowance for credit losses: $41,355 and $2,883) |  |
Fixed maturities available for sale, at amortized cost | $ 21,281,863 | $ 17,973,823
Allowance for credit losses on investments | 41,355 | 2,883
Short-term investments available for sale, at fair value (amortized cost: $1,332,996 and $1,734,738; net of allowance for credit losses: $0 and $0 ) |  |
Fixed maturities available for sale, at amortized cost | 1,332,996 | 1,734,738
Allowance for credit losses on investments | $ 0 | $ 0

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