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Notes Receivable (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Notes receivable | $ 18,023 | $ 19,760
Less current portion | 3,386 | 3,807
Notes receivable - non-current | 14,637 | 15,953
Independent Contractors |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Notes receivable | 7,358 | 10,335
Other Debtors [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Notes receivable | $ 10,665 | $ 9,425

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