Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2018	May 15, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	NEW ULM TELECOM INC
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		5,164,274
Amendment Flag	false
Entity Central Index Key	0000071557
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1