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Goodwill and intangible assets - Summary of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Goodwill And Intangible Assets [Line Items] |  |  |
Gross carrying amount | $ 52,687 | $ 52,687 |
Accumulated amortization | (24,943) | (19,755) |
Net carrying amount | 27,744 | 32,932 | $ 12,567
Goodwill | 47,739 | 47,739 | $ 18,402
Customer relationships |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Gross carrying amount | 43,500 | 43,500 |
Accumulated amortization | (22,415) | (17,820) |
Net carrying amount | $ 21,085 | 25,680 |
Customer relationships | Minimum |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Useful life (months) | 84 months |  |
Customer relationships | Maximum |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Useful life (months) | 120 months |  |
Non-compete agreements |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Useful life (months) | 60 months |  |
Gross carrying amount | $ 303 | 303 |
Accumulated amortization | (303) | (303) |
Net carrying amount | 0 | 0 |
Trademarks, trade names, and domain names |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Gross carrying amount | 8,884 | 8,884 |
Accumulated amortization | (2,225) | (1,632) |
Net carrying amount | $ 6,659 | $ 7,252 |
Trademarks, trade names, and domain names | Minimum |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Useful life (months) | 60 months |  |
Trademarks, trade names, and domain names | Maximum |  |  |
Goodwill And Intangible Assets [Line Items] |  |  |
Useful life (months) | 120 months |  |

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