v3.19.3
Document And Entity Information
Oct. 31, 2019
Document Information [Line Items]  
Entity Registrant Name Generac Holdings Inc.
Document Type 8-K
Document Period End Date Oct. 31, 2019
Entity Incorporation, State or Country Code DE
Entity File Number 001-34627
Entity Tax Identification Number 20-5654756
Entity Address, Address Line One S45 W29290 Hwy 59
Entity Address, City or Town Waukesha
Entity Address, State or Province WI
Entity Address, Postal Zip Code 53189
City Area Code 262
Local Phone Number 544-4811
Title of 12(b) Security Common Stock
Trading Symbol GNRC
Security Exchange Name NYSE
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001474735