Unaudited Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Available for sale securities, amortized cost	$ 21,043,045	$ 19,708,561
Allowance for credit losses on investments	58,410	2,883
Allowance for credit losses on premiums receivable	38,170	39,958
Allowance for credit losses on reinsurance recoverable	14,740	13,230
Allowance for credit losses on contractholder receivable	$ 3,005	$ 3,437
Common shares, par value per share	$ 0.0011	$ 0.0011
Common shares issued (shares)	586,887,791	583,289,850
Common shares held in treasury (shares)	217,540,976	204,365,956
Fixed maturities
Available for sale securities, amortized cost	$ 18,816,372	$ 17,973,823
Allowance for credit losses on investments	58,410	2,883
Short-term investments
Available for sale securities, amortized cost	2,226,673	1,734,738
Allowance for credit losses on investments	$ 0	$ 0

Amount of allowance for credit loss on contractholder receivables.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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The carrying value as of the balance sheet date of the estimated valuation allowance to reduce gross premiums receivable to net realizable value.

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Amount of allowance for credit loss on reinsurance recoverable.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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