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SEC Schedule, Article 12-09, Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Warranty and return reserve - inventory write-offs | $ 0 | $ 0 | $ 0 |
Warranty and return reserve - inventory - charged to other accounts | (533) | (169) | (722) |
Warranty and Return Reserve costs | 263 | 2,033 | (217) |
Warranty and return reserve - inventory | (1,883) | (1,613) | (3,477) | $ (2,538)
SEC Schedule, 12-09, Allowance, Credit Loss |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at Beginning of Period | 21,490 | 20,219 | 5,768 |
Charged to Costs and Expenses | 345 | 7,137 | 14,882 |
Charged to Other Accounts | (14,797) | (5,866) | (431) |
Write-off/ Disposals | 0 | 0 | 0 |
Balance at End of Period | 7,038 | 21,490 | 20,219 |
SEC Schedule, 12-09, Reserve, Warranty |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at Beginning of Period | 2,707 | 6,377 | 6,752 |
Charged to Costs and Expenses | 568 | (3,609) | 83 |
Charged to Other Accounts | (790) | (61) | (458) |
Write-off/ Disposals | 0 | 0 | 0 |
Balance at End of Period | 2,485 | 2,707 | 6,377 |
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Balance at Beginning of Period | 3,891 | 3,677 | 5,436 |
Charged to Costs and Expenses | 0 | 0 | 0 |
Charged to Other Accounts | (957) | 214 | (1,584) |
Write-off/ Disposals | 0 | 0 | (175) |
Balance at End of Period | $ 2,934 | $ 3,891 | $ 3,677 |

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