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Long-term Debt - Fair Value (Details) - 4.125% Senior Unsecured Notes Due 2029 - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Debt $ 400,000 $ 400,000
Fair Value, Inputs, Level 2 [Member]    
Debt Instrument [Line Items]    
Long-term Debt, Fair Value $ 344,000 $ 399,000