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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 74,338	$ 62,481
Other Comprehensive Income (Loss):
Unrealized Gain (Loss) on Available-for-Sale Securities, net of tax benefit (expense) of $3, and $(21)	(13)	80
Pension and Other Postretirement Benefits, net of tax benefit of $26, and $9	(74)	(26)
Total Other Comprehensive Income (Loss)	(87)	54
Total Comprehensive Income	$ 74,251	$ 62,535

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