STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net income	$ 264,224	$ 222,850	$ 231,232
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(92)	960	(478)
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	222	96	0
Other comprehensive income (loss)	130	1,056	(478)
Comprehensive income	264,354	223,906	230,754
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	27	(281)	140
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	$ (59)	$ (25)	$ 0