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Document and Entity Information
Mar. 10, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 10, 2023
Entity Registrant Name Marchex, Inc.
Entity Central Index Key 0001224133
Entity Incorporation, State or Country Code DE
Entity File Number 000-50658
Entity Tax Identification Number 35-2194038
Entity Address, Address Line One 520 Pike Street
Entity Address, Address Line Two Suite 2000
Entity Address, City or Town Seattle
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98101
City Area Code 206
Local Phone Number 331-3300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class B Common Stock
Trading Symbol MCHX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false