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Significant Accounting Policies - Narrative (Details) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) reportingUnit | Dec. 31, 2020 USD ($) | Jun. 30, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |
Allowance for doubtful accounts |  | $ 700,000 | $ 800,000
Number of reporting units | reportingUnit | 1 |  |
Goodwill impairment |  | 0 |
Deferred cost of sales | $ 100,000 | $ 200,000 |
Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Customer payment terms | 30 days |  |
Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Customer payment terms | 60 days |  |

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