Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Net tax (benefit)/charge recorded directly to consolidated shareholders' equity	$ 132,700	$ (26,800)	$ 16,200
Valuation allowance	6,222	3,203
Base year reserves included in retained earnings	18,200
Unrecognized deferred federal income tax liability	4,800
Amount related to unrecognized tax benefits that if reversed would impact effective tax rate	3,700	4,000
Interest and penalties expense/(benefit) related to the liability for unrecognized tax benefits	(100)	(100)	$ (100)
Balance of accrual for interest and penalties	$ 1,300	$ 1,500