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Cover Page
Mar. 03, 2021
Entity Addresses [Line Items]  
Document Type 8-K
Document Period End Date Mar. 03, 2021
Entity Registrant Name MYR GROUP INC.
Entity Incorporation, State or Country Code DE
Entity File Number 1-08325
Entity Tax Identification Number 36-3158643
Entity Address, Address Line One 12150 East 112th Avenue
Entity Address, City or Town Henderson,
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80640
City Area Code 303
Local Phone Number 286-8000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol MYRG
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000700923
Former Address  
Entity Addresses [Line Items]  
Entity Address, Address Line One 1701 Golf Road
Entity Address, Address Line Two Suite 3-1012
Entity Address, City or Town Rolling Meadows
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60008