Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 22, 2022	Jun. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0001120370
Entity Registrant Name	BROADWIND, INC.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-34278
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	88-0409160
Entity Address, Address Line One	3240 S. Central Avenue
Entity Address, City or Town	Cicero
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60804
City Area Code	708
Local Phone Number	780-4800
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	BWEN
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 65,536,000
Entity Common Stock, Shares Outstanding		19,585,713
Auditor Name	RSM US LLP
Auditor Location	Chicago, Illinois
Auditor Firm ID	49
ICFR Auditor Attestation Flag	true