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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net Income	$ 165,303	$ 185,460
Other comprehensive income (loss), net of tax:
Change in unrealized investment gains and losses	(33,238)	51,671
Benefit plan adjustments	150	46
Other comprehensive income (loss), net of tax	(33,088)	51,717
Comprehensive Income (Loss)	$ 132,215	$ 237,177

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