XML 86 R76.htm IDEA: XBRL DOCUMENT v3.23.2
Supplemental Disclosures of Cash Flow Information - Additional Information (Detail) - Qualified Contributory Savings and Thrift 401(k) Plan [Member] - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]        
Matching contributions by employer, percentage 100.00%      
Percentage of eligible compensation for matching contributions by employer 5.00% 5.00%    
Matching contributions vesting schedule 5 years      
Contribution expense to plan $ 42.3 $ 40.0    
Employer match on eligible compensation     5.00% 5.00%