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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue From Contract With Customer [Abstract] |
Summary of Activity to Product Returns, Distributor Fees and Discounts, Rebates and Administrative Fees | The following table provides a summary of activity with respect to our product returns, distributor fees and discounts, rebates and administrative fees, which are included in other accrued liabilities on the consolidated balance sheets (in thousands):
|  |  |  |  |  |  |  |  |  | Discounts, |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Rebates and |  |  |  |  |
|  | Product |  |  | Distributor |  |  | Administrative |  |  |  |  |
|  | Returns |  |  | Fees |  |  | Fees |  |  | Total |
Balance at December 31, 2019 |  | $ | 2,351 |  |  | $ | 3,999 |  |  | $ | 21,589 |  |  | $ | 27,939 |
Provision |  |  | 498 |  |  |  | 15,964 |  |  |  | 102,603 |  |  |  | 119,065 |
Payments/credits |  |  | (145 | ) |  |  | (16,033 | ) |  |  | (106,255 | ) |  |  | (122,433 | )
Balance at December 31, 2020 |  | $ | 2,704 |  |  | $ | 3,930 |  |  | $ | 17,937 |  |  | $ | 24,571 |

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