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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) extension | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Accounting Policies [Line Items] |  |  |
Accruals for discounts and rebates | $ 15,900 | $ 15,900 |
Advertising costs | 900 | 900 | $ 1,300
Selling, general and administrative expenses | $ 107,539 | 125,476 | 119,654
Dividend yield | 0.00% |  |
Number of options to extend leases | extension | 2 |  |
Maturity of foreign currency exchange contracts | 9 months |  |
Dividend Rate | Common stock purchase warrants |  |  |
Accounting Policies [Line Items] |  |  |
Measurement input | 0 |  |
Shipping and Handling |  |  |
Accounting Policies [Line Items] |  |  |
Selling, general and administrative expenses | $ 9,900 | $ 13,200 | $ 12,200
Minimum |  |  |
Accounting Policies [Line Items] |  |  |
Vesting period | 1 year |  |
Renewal term of operating leases | 1 year |  |
Estimated useful life of intangible assets | 2 years |  |
Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Vesting period | 4 years |  |
Renewal term of operating leases | 5 years |  |
Estimated useful life of intangible assets | 15 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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