Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Jul. 30, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	0-26542
Entity Registrant Name	CRAFT BREW ALLIANCE, INC.
Entity Incorporation, State or Country Code	WA
Entity Tax Identification Number	91-1141254
Entity Address, Address Line One	929 North Russell Street
Entity Address, City or Town	Portland
Entity Address, State or Province	OR
Entity Address, Postal Zip Code	97227-1733
City Area Code	503
Local Phone Number	331-7270
Title of 12(b) Security	Common Stock, $0.005 par value
Trading Symbol	BREW
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		19,545,308
Entity Central Index Key	0000892222
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false