Goodwill, Intangible Assets and Deferred Charges - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands  | 
Sep. 30, 2023  | 
Dec. 31, 2022  | 
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 26,711 | $ 26,711 | 
| Accumulated Amortization | (17,839) | (16,710) | 
| Customer related | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 26,061 | 26,061 | 
| Accumulated Amortization | (17,766) | (16,658) | 
| Trademarks and trade names | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 150 | 150 | 
| Accumulated Amortization | (17) | (12) | 
| Other | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 500 | 500 | 
| Accumulated Amortization | $ (56) | $ (40) | 
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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