LOANS HELD FOR INVESTMENT - Activity in ACL for Loans and Investment in Loans Disaggregated Based on Method of Evaluating Impairment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026		Jun. 30, 2025	Dec. 31, 2025
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	$ 44,822	$ 42,968	$ 45,131		$ 43,237	$ 43,237
Initial ACL on Acquired PCD Loans	3,173	0	3,173		0
Initial ACL on Acquired PSLs	5,300	0	5,300		0
Provision for credit losses	350	2,500	350		2,750
Charge-offs	(816)	(934)	(1,612)		(1,624)
Recoveries	247	476	734		647
Ending Balance	53,076	45,010	53,076		45,010	45,131
Total Loans Individually Evaluated	5,132		5,132			5,902
Total ACL for Individually Evaluated Loans	1,126		1,126			387
Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	456		456			1,837
Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	4,396		4,396			4,065
Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	280		280			0
Commercial Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	15,017	15,787	15,214		15,973	15,973
Initial ACL on Acquired PCD Loans	1,897	0	1,897		0
Initial ACL on Acquired PSLs	1,705	0	1,705		0
Provision for credit losses	(227)	(81)	(424)		(267)
Charge-offs	(64)	0	(64)		0	(541)
Recoveries	0	0	0		0
Ending Balance	18,328	15,706	18,328		15,706	15,214
Total Loans Individually Evaluated	1,922		1,922			1,403
Total ACL for Individually Evaluated Loans	1,022		1,022			112
Commercial Real Estate [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			462
Commercial Real Estate [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	1,666		1,666			941
Commercial Real Estate [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	256		256			0
Construction [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	1,912	1,973	1,952		1,943	1,943
Initial ACL on Acquired PCD Loans	27	0	27		0
Initial ACL on Acquired PSLs	245	0	245		0
Provision for credit losses	198	(25)	158		0
Charge-offs	0	0	0		0	0	[1]
Recoveries	0	0	0		5
Ending Balance	2,382	1,948	2,382		1,948	1,952
Total Loans Individually Evaluated	598		598			0
Total ACL for Individually Evaluated Loans	0		0			0
Construction [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Construction [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	598		598			0
Construction [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Specialized [Member] | Commercial [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	5,351	4,523	5,231		4,640	4,640
Initial ACL on Acquired PCD Loans	181	0	181		0
Initial ACL on Acquired PSLs	226	0	226		0
Provision for credit losses	(107)	311	(16)		160
Charge-offs	(84)	0	(84)		0	0
Recoveries	46	47	75		81
Ending Balance	5,613	4,881	5,613		4,881	5,231
Total Loans Individually Evaluated	635		635			544
Total ACL for Individually Evaluated Loans	60		60			0
Specialized [Member] | Commercial [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	456		456			289
Specialized [Member] | Commercial [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	155		155			255
Specialized [Member] | Commercial [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	24		24			0
General [Member] | Commercial [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	7,384	6,403	7,448		6,874	6,874
Initial ACL on Acquired PCD Loans	336	0	336		0
Initial ACL on Acquired PSLs	914	0	914		0
Provision for credit losses	193	856	289		439
Charge-offs	(280)	(284)	(456)		(358)	(883)
Recoveries	43	253	59		273
Ending Balance	8,590	7,228	8,590		7,228	7,448
Total Loans Individually Evaluated	363		363			3,955
Total ACL for Individually Evaluated Loans	0		0			275
General [Member] | Commercial [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			1,086
General [Member] | Commercial [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	363		363			2,869
General [Member] | Commercial [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
1-4 Family Residential [Member] | Consumer [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	10,803	10,079	11,103		9,677	9,677
Initial ACL on Acquired PCD Loans	732	0	732		0
Initial ACL on Acquired PSLs	2,207	0	2,207		0
Provision for credit losses	(152)	1,030	(747)		1,425
Charge-offs	(2)	0	(2)		0	(307)
Recoveries	6	41	301		48
Ending Balance	13,594	11,150	13,594		11,150	11,103
Total Loans Individually Evaluated	1,614		1,614			0
Total ACL for Individually Evaluated Loans	44		44			0
1-4 Family Residential [Member] | Consumer [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
1-4 Family Residential [Member] | Consumer [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	1,614		1,614			0
1-4 Family Residential [Member] | Consumer [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Auto Loans [Member] | Consumer [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	3,298	3,096	3,033		3,015	3,015
Initial ACL on Acquired PCD Loans	0	0	0		0
Initial ACL on Acquired PSLs	0	0	0		0
Provision for credit losses	226	252	741		583
Charge-offs	(122)	(392)	(403)		(694)	(1,349)
Recoveries	47	39	78		91
Ending Balance	3,449	2,995	3,449		2,995	3,033
Total Loans Individually Evaluated	0		0			0
Total ACL for Individually Evaluated Loans	0		0			0
Auto Loans [Member] | Consumer [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Auto Loans [Member] | Consumer [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Auto Loans [Member] | Consumer [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Other Consumer [Member] | Consumer [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Beginning Balance	1,057	1,107	1,150		1,115	1,115
Initial ACL on Acquired PCD Loans	0	0	0		0
Initial ACL on Acquired PSLs	3	0	3		0
Provision for credit losses	219	157	349		410
Charge-offs	(264)	(258)	(603)	[2]	(572)	(1,066)
Recoveries	105	96	221		149
Ending Balance	1,120	$ 1,102	1,120		$ 1,102	1,150
Total Loans Individually Evaluated	0		0			0
Total ACL for Individually Evaluated Loans	0		0			0
Other Consumer [Member] | Consumer [Member] | Equipment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Other Consumer [Member] | Consumer [Member] | Real Estate [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	0		0			0
Other Consumer [Member] | Consumer [Member] | Other [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Total Loans Individually Evaluated	$ 0		$ 0			$ 0

[1] Includes $498 thousand in charged-off demand deposit overdrafts reported as 2025 originations.

[2] Includes $208 thousand in charged-off demand deposit overdrafts reported as 2026 originations.