Basis of Accounting and Consolidation - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Realized gain (loss) on available-for-sale securities	$ 0	$ (46)
Tax effect	(6,440)	(5,730)
Total reclassifications out of accumulated other comprehensive income (loss)	0	(33)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent
Realized gain (loss) on available-for-sale securities	0	(46)
Tax effect	$ 0	$ 13