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Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Investments |  |
Amortized Cost | $ 5,184,856 | $ 4,897,607
Property, Plant and Equipment, Net |  |
Accumulated depreciation | 67,352 | 64,340
Credit Facility Borrowings |  |
Unamortized deferred costs | $ 4,136 | $ 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) | 107,683 | 109,377
Common shares, outstanding (in shares) | 107,683 | 109,377
Fixed maturities |  |
Investments |  |
Amortized Cost | $ 4,932,574 | $ 4,584,521
Short-term investments |  |
Investments |  |
Amortized Cost | $ 252,282 | $ 313,086

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