Warranty Reserves (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 4,841	$ 3,759
Warranty provision	612	905
Processed warranty claims	(584)	(422)
Ending balance	4,869	4,242
Accrued warranty reserve, current	1,610	1,358	$ 1,606
Accrued warranty reserve, non-current	3,259	2,884	$ 3,235
Total accrued warranty reserve	$ 4,869	$ 4,242

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

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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.

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Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

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Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties.

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