XML 130 R120.htm IDEA: XBRL DOCUMENT v3.24.0.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Net tax (benefit)/charge recorded directly to consolidated shareholders' equity $ 13,700 $ 132,700 $ 26,800
Valuation allowance 6,728 6,222  
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 3,700  
Interest and penalties expense/(benefit) related to the liability for unrecognized tax benefits (100) (100) $ (100)
Balance of accrual for interest and penalties $ 1,100 $ 1,300