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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Investment available for sale |  |
Amortized cost | $ 4,836,528 | $ 4,897,607
Property and equipment |  |
Accumulated depreciation | 65,095 | 64,340
Credit facility borrowings |  |
Unamortized deferred costs | $ 4,927 | $ 5,177
Stockholders’ equity |  |
Common shares, par value (in dollars per share) | $ 0.015 | $ 0.015
Common shares, authorized (in shares) | 233,333 | 233,333
Common shares, issued (in shares) | 108,140 | 109,377
Common shares, outstanding (in shares) | 108,140 | 109,377
Fixed maturities |  |
Investment available for sale |  |
Amortized cost | $ 4,319,027 | $ 4,584,521
Short-term investments |  |
Investment available for sale |  |
Amortized cost | $ 517,501 | $ 313,086

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