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Warranty Liability (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Warranty liability |  |  |  |  |
Period of warranty history used in estimating warranty costs |  |  | 5 years |  |
Other long-term liabilities | $ 11,431 |  | $ 11,431 |  | $ 16,197
Accrued expenses and other current liabilities | 32,652 |  | 32,652 |  | 30,831
warranty reserve | 6,065 | $ 5,750 | 6,065 | $ 5,750 | 5,812
Company's warranty liability: |  |  |  |  |
Balance at the beginning of the period | 5,423 | 5,355 | 5,812 | 6,541 |
Warranty provision | 1,315 | 864 | 4,020 | 2,125 |
Claims paid/settlements | (673) | (469) | (3,767) | (2,916) |
Balance at the end of the period | 6,065 | $ 5,750 | 6,065 | $ 5,750 |
Warranty Reserves |  |  |  |  |
Warranty liability |  |  |  |  |
Other long-term liabilities | 2,566 |  | 2,566 |  | 2,420
Accrued expenses and other current liabilities | $ 3,499 |  | $ 3,499 |  | $ 3,392
Snow and ice control equipment |  |  |  |  |
Warranty liability |  |  |  |  |
Warranty period |  |  | 2 years |  |
Parts and accessories |  |  |  |  |
Warranty liability |  |  |  |  |
Warranty period |  |  | 1 year |  |
Certain snowplows |  |  |  |  |
Warranty liability |  |  |  |  |
Warranty period |  |  | 1 year |  |

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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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