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Long-Term Debt (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 09, 2020
Dec. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]      
Notes payable aggregate principal amount   $ 204,635  
Other long-term debt maturity year   2052  
Subordinated Notes [Member] | Subordinated Notes Payable, Maturing June 2060 [Member]      
Debt Instrument [Line Items]      
Notes payable interest rate 6.25%    
Notes payable aggregate principal amount $ 172,500 $ 172,500 $ 172,500
Notes payable issuance date Jun. 09, 2020    
Notes payable maturity date Jun. 15, 2060    
Notes payable beginning payment date Sep. 15, 2020    
Other Long-Term Debt [Member]      
Debt Instrument [Line Items]      
Notes payable aggregate principal amount   $ 32,135 $ 43,424
Notes payable agreement period   7 years