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Schedule II Valuation and Qualifying Accounts (Details) - Valuation allowance for deferred tax assets - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 1,399 $ 1,392 $ 1,402
Additions Charged to Expenses 0 7 0
Net Recoveries 0 0 (10)
Balance at End of Year $ 1,399 $ 1,399 $ 1,392