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Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investments
Amortized Cost	$ 5,586,730	$ 5,184,856
Property, Plant and Equipment, Net
Accumulated depreciation	71,168	67,352
Credit Facility Borrowings
Unamortized deferred costs	$ 3,080	$ 4,136
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)	106,597	107,683
Common shares, outstanding (in shares)	106,597	107,683
Fixed maturities
Investments
Amortized Cost	$ 4,658,168	$ 4,932,574
Short-term investments
Investments
Amortized Cost	$ 928,562	$ 252,282

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