Income Taxes - Components of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Current income tax expense (benefit)	$ 145,880	$ 138,968	$ 143,995
Deferred income tax expense (benefit)	77,631	68,757	99,502
Income tax expense (benefit)	223,511	207,725	243,497
Shareholders' equity:
Other comprehensive income (loss)	4,762	384,035	149,061
Income tax expense (benefit)	$ 228,273	$ 591,760	$ 392,558