Principal Business Activity and Significant Accounting Policies - Receivables and Credit Policy (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Receivables and Credit Policy
Accounts receivable, gross	$ 145,897	$ 71,808
Less: Allowance for doubtful accounts	(574)	(431)
Total accounts receivable, net	145,323	71,377
Trade receivables
Receivables and Credit Policy
Accounts receivable, gross	140,002	67,551
Other receivables
Receivables and Credit Policy
Accounts receivable, gross	$ 5,895	$ 4,257

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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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

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-Publisher FASB
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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

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Amount of allowance for credit loss on accounts receivable.

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