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Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 1,602 $ 1,100 $ 1,201
Additions, Charged to Costs and Expenses 0 502 0
Additions, Charged to Other Accounts 0 0 0
(Deductions) (701) 0 (101)
Balance at End of Year 901 1,602 1,100
Deferred income tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 63,799 68,776 70,731
Additions, Charged to Costs and Expenses 0 0 0
Additions, Charged to Other Accounts 0 0 0
(Deductions) (18,703) (4,977) (1,955)
Balance at End of Year $ 45,096 $ 63,799 $ 68,776