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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net Income	$ 68,099	$ 74,338
Other Comprehensive Income (Loss):
Unrealized Gain (Loss) on Available-for-Sale Securities, net of tax (expense) benefit of ($67) and $3	213	(13)
Pension and Other Postretirement Benefits, net of tax benefit of $5 and $26	(11)	(74)
Total Other Comprehensive Income (Loss)	202	(87)
Total Comprehensive Income	$ 68,301	$ 74,251

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