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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Investments
Amortized cost	$ 6,283,239	$ 6,231,018
Property, Plant and Equipment, Net
Credit facility borrowings	$ 75,113	$ 72,270
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)	97,497	105,015
Common shares, outstanding (in shares)	97,497	105,015
Fixed maturities
Investments
Amortized cost	$ 5,643,163	$ 5,467,238
Short-term investments
Investments
Amortized cost	$ 640,076	$ 763,780

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