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v3.19.3.a.u2

Note 18 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Amount Financed by Dealers | $ 49.6 | $ 47.2

X
- Definition Amount financed by dealers to purchase goods from the entity. + References No definition available. + Details
Name: | gnrc_AmountFinancedByDealers
Namespace Prefix: | gnrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant