NEW MARKETS TAX CREDIT TRANSACTION (Details) $ in Thousands		6 Months Ended
	Jul. 20, 2011 USD ($)	Jun. 30, 2018 USD ($) item
New Markets Tax Credit Transaction
NMTC note payable		$ 2,600
New Markets Tax Credit Transaction
New Markets Tax Credit Transaction
Proceeds from transaction	$ 2,280
Gross loan in the principal amount from the Company to COCRF Investor VIII, LLC		$ 7,720
Receivable term		15 years
Interest rate (as a percent)		2.50%
Potential tax credit that can be generated under the NMTC transaction		$ 3,900
Period which facility must operate and be in compliance		7 years
Percentage of recapture to which the tax credits are subject		100.00%
Loan origination payment		$ 320
Company's obligation if Capital One exercises its option to put its investment		$ 130
Number of pass-through financing entities created under the structure that are deemed variable interest entities | item		2
Issue costs paid to third parties recorded as prepaid expenses	262
Amortization period for prepaid expenses for the NMTC arrangement		7 years
NMTC note payable		$ 2,600
Broadwind Services, LLC | New Markets Tax Credit Transaction
New Markets Tax Credit Transaction
Principal amount	$ 10,000
Debt instrument maturity term (in years)		15 years
Interest rate (as a percent)		1.40%