Balance Sheet Components - Schedule of Net Accounts Receivable Balance Concentrations by Major Category (Parenthetical) (Details) |
9 Months Ended | 12 Months Ended |
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Sep. 30, 2019
USD ($)
Customer
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Dec. 31, 2018
USD ($)
Customer
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| Accounts Notes And Loans Receivable [Line Items] | ||
| Gross accounts receivable | $ 43,165,000 | $ 39,062,000 |
| Customer Concentration Risk | Business To Business Receivables | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Number of customers | Customer | 1 | 1 |
| Gross accounts receivable | $ 16,379,000 | $ 16,198,000 |
| Credit insurance policy, deductible amount | $ 400,000 | |
| Credit insurance policy, retention percentage | 10.00% | |
| Customer Concentration Risk | Business To Business Receivables | Maximum | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Credit insurance policy, coverage limit | $ 20,000,000 | $ 18,000,000 |
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- Definition Credit insurance policy coverage limit. No definition available.
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- Definition Credit insurance policy, deductible amount. No definition available.
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- Definition Credit insurance policy retention percentage. No definition available.
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- Definition Number of customers. No definition available.
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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. 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, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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