v3.26.1
Fair Value Measurements - Investments in entities calculated at NAV (Details) - 401(K) AND EMPLOYEE STOCK OWNERSHIP PLAN - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Fair Value Measurements    
Total investments $ 2,234,426,721 $ 2,294,293,957
Target Date Funds    
Fair Value Measurements    
Total investments 874,813,693 848,708,744
Stable Value Fund    
Fair Value Measurements    
Total investments $ 131,928,706 $ 146,522,266
Redemption Notice Period 12 months 12 months
Large Growth Fund    
Fair Value Measurements    
Total investments $ 113,219,911 $ 126,590,054
Redemption Frequency 30 days 30 days
Large Value Equity Fund    
Fair Value Measurements    
Total investments $ 59,643,624 $ 63,598,478
Large Equity Index Fund    
Fair Value Measurements    
Total investments 409,331,390 415,809,372
SMID Equity Index Fund    
Fair Value Measurements    
Total investments 104,830,293 113,299,555
Broad Market Fixed Income Fund    
Fair Value Measurements    
Total investments 19,215,998 13,600,781
Bond Market Index Fund    
Fair Value Measurements    
Total investments 123,197,906 125,151,251
Non-U.S. Equity Index Fund    
Fair Value Measurements    
Total investments 80,060,493 61,916,425
Non-Lending Series Fund    
Fair Value Measurements    
Total investments $ 11,067,875 $ 10,167,801