Notes Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 19,760	$ 24,816
Less current portion	3,807	5,695
Notes receivable - non-current	15,953	19,121
Independent Contractors
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	10,335	15,011
Other Debtors [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 9,425	$ 9,805

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.

No definition available.

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