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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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