XML 254 R110.htm IDEA: XBRL DOCUMENT v3.25.4
Postretirement Benefit Plans - Schedule of Weighted-Average Asset Allocation By Investment Category (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Scottdale Defined Benefit Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 3,403 $ 3,597 $ 3,468
Percentage of Total Assets 100.00% 100.00%  
Scottdale Defined Benefit Pension Plan | Cash and cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 365 $ 263  
Percentage of Total Assets 10.70% 7.30%  
Scottdale Defined Benefit Pension Plan | Common stock      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 1,894 $ 2,081  
Percentage of Total Assets 55.70% 57.90%  
Scottdale Defined Benefit Pension Plan | Corporate debt securities      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 1,144 $ 1,253  
Percentage of Total Assets 33.60% 34.80%  
Riverview Defined Benefit Plan      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 6,903 $ 6,711 $ 6,895
Percentage of Total Assets 100.00% 100.00%  
Riverview Defined Benefit Plan | Cash and cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 60 $ 60  
Percentage of Total Assets 0.90% 0.90%  
Riverview Defined Benefit Plan | Mutual fund - equity      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 2,618 $ 2,619  
Percentage of Total Assets 37.90% 39.00%  
Riverview Defined Benefit Plan | Mutual fund / EFTs - fixed income      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 3,926 $ 3,716  
Percentage of Total Assets 56.90% 55.40%  
Riverview Defined Benefit Plan | Common / collective trusts equity      
Defined Benefit Plan Disclosure [Line Items]      
Estimated Fair Value $ 299 $ 316  
Percentage of Total Assets 4.30% 4.70%