Extended Maintenance Contracts (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2021	Dec. 31, 2020
Provision for Loss Accrual
Beginning Balance	$ 24,013	$ 3,702
Provision for Loss Accrual	1,485	35,473
Released to Service Cost of Sales	(1,846)	(2,348)
Released to Provision for Warrants		(12,814)
Ending Balance	$ 23,652	$ 24,013

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration