Schedule II--Valuation and Qualifying Accounts (Details) - Allowances for accounts receivable - USD ($) $ in Thousands  | 
12 Months Ended | |
|---|---|---|
Dec. 31, 2022  | 
Dec. 31, 2021  | 
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| Valuation and qualifying accounts | ||
| Beginning Balance | $ 881 | $ 892 | 
| Charged to Cost and Expense | 19 | 26 | 
| Deductions | 58 | 37 | 
| Ending Balance | $ 842 | $ 881 | 
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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| X | ||||||||||
- Definition Amount of valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of decrease in valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Details 
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