CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Beginning Balance at Dec. 31, 2020	$ 272,643	$ 12,952	$ 188,032	$ 113,449	$ (51,419)	$ 9,629
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	21,394			21,394
Other comprehensive loss	(2,450)					(2,450)
10% stock dividend	35,947	1,094	34,853	(35,947)
Exercise of stock options	636	28	608
Stock based compensation	329		329
Dividends: Common Stock	(4,823)			(4,823)
Ending Balance at Jun. 30, 2021	287,729	14,074	223,822	94,073	(51,419)	7,179
Beginning Balance at Mar. 31, 2021	280,097	14,070	223,550	86,053	(51,419)	7,843
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	10,432			10,432
Other comprehensive loss	(664)					(664)
Exercise of stock options	109	4	105
Stock based compensation	167		167
Dividends: Common Stock	(2,412)			(2,412)
Ending Balance at Jun. 30, 2021	287,729	14,074	223,822	94,073	(51,419)	7,179
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity attributable to Guaranty Bancshares, Inc.	302,214
Beginning Balance at Dec. 31, 2021	302,214	14,139	225,544	107,645	(51,419)	6,305
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	21,504			21,522			$ (18)
Other comprehensive loss	(28,846)					(28,846)
Contributions from noncontrolling interest	598						598
10% stock dividend	0
Exercise of stock options	474	21	453
Purchase of treasury stock	(8,151)				(8,151)
Stock based compensation	321		321
Dividends: Common Stock	(5,279)			(5,279)
Ending Balance at Jun. 30, 2022	282,835	14,160	226,318	123,888	(59,570)	(22,541)	580
Beginning Balance at Mar. 31, 2022	291,880	14,139	225,700	115,727	(53,412)	(10,872)	598
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	10,766			10,784			(18)
Other comprehensive loss	(11,669)					(11,669)
Exercise of stock options	474	21	453
Purchase of treasury stock	(6,158)				(6,158)
Stock based compensation	165		165
Dividends: Common Stock	(2,623)			(2,623)
Ending Balance at Jun. 30, 2022	282,835	$ 14,160	$ 226,318	$ 123,888	$ (59,570)	$ (22,541)	$ 580
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity attributable to Guaranty Bancshares, Inc.	$ 282,255