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Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Investments
Amortized Cost	$ 6,231,018	$ 5,586,730
Property, Plant and Equipment, Net
Accumulated depreciation	$ 72,270	$ 71,168
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)	105,015	106,597
Common shares, outstanding (in shares)	105,015	106,597
Fixed maturities
Investments
Amortized Cost	$ 5,467,238	$ 4,658,168
Short-term investments
Investments
Amortized Cost	$ 763,780	$ 928,562

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