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DOCUMENT AND ENTITY INFORMATION	12 Months Ended
	Dec. 31, 2017
Document And Entity Information [Abstract]
Entity Registrant Name	GUARANTY BANCSHARES INC /TX/
Trading Symbol	GNTY
Entity Central Index Key	0001058867
Document Type	S-4/A
Document Period End Date	Dec. 31, 2017
Amendment Flag	false
Entity Filer Category	Non-accelerated Filer

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Document And Entity Information [Abstract]

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