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Stockholders' Equity:Stock Repurchase (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2023
Jul. 28, 2022
Equity, Class of Treasury Stock [Line Items]    
Treasury Stock, Value $ 1,482  
ShareRepurchaseProgram    
Equity, Class of Treasury Stock [Line Items]    
Stock Repurchase Program, Number of Shares Authorized to be Repurchased   1,500,000
Treasury stock, shares purchased 24,727  
Treasury Stock, Value $ 1,500  
Treasury Stock Acquired, Average Cost Per Share $ 59.91  
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 1,972,262