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v3.21.1

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Fixed maturities - available for sale, at market value, amortized cost | $ 19,932,190 | $ 19,225,067
Fixed maturities - available for sale, at market value, allowance for credit loss | (8,723) | (1,745)
Short-term investments, at cost | 826,777 | 1,135,088
Other invested assets, at cost | $ 2,173,221 | $ 2,012,581
Preferred shares, par value | $ 0.01 | $ 0.01
Preferred shares, authorized | 50,000,000 | 50,000,000
Preferred shares, issued | 0 | 0
Preferred shares, outstanding | 0 | 0
Common shares, par value | $ 0.01 | $ 0.01
Common Stock, Shares Authorized | 200,000,000 | 200,000,000
Common shares, outstanding | 69,816,000 | 69,620,000
Accumulated other comprehensive income (loss), net deferred income tax expense (benefit) | $ 41,161 | $ 80,451
Treasury shares | 29,734,000 | 29,636,000
Senior Notes [Member] | 4.868% Senior notes due 6/1/2044 [Member] |  |
Debt instrument, maturity date | Jun. 01, 2044 | Jun. 01, 2044
Senior Notes [Member] | 3.5% Senior notes due 10/15/2050 [Member] |  |
Debt instrument, maturity date | Oct. 15, 2050 | Oct. 15, 2050
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] |  |
Debt instrument, maturity date | May 01, 2067 | May 01, 2067

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