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v3.20.4

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Fixed maturities - available for sale, at market value, amortized cost | $ 19,225,067 | $ 16,473,491
Fixed maturities - available for sale, at market value, allowance for credit loss | (1,745) |
Short-term investments, at cost | 1,135,088 | 414,639
Other invested assets, at cost | $ 2,012,581 | $ 1,763,531
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 | 69,620,000 | 69,464,000
Accumulated other comprehensive income (loss), net deferred income tax expense (benefit) | $ 80,451 | $ 30,996
Treasury shares | 29,636,000 | 28,665,000
Senior Notes [Member] | 4.868% Senior notes due 6/1/2044 [Member] |  |
Debt instrument, maturity date | Jun. 01, 2044 |
Senior Notes [Member] | 3.5% Senior notes due 10/15/2050 [Member] |  |
Debt instrument, maturity date | Oct. 15, 2050 |
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] |  |
Debt instrument, maturity date | May 01, 2067 |

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