LOANS HELD FOR INVESTMENT, Activity in ACL for Loans (Details) - USD ($) $ in Thousands		3 Months Ended			12 Months Ended
		Mar. 31, 2025		Mar. 31, 2024	Dec. 31, 2024
LOANS HELD FOR INVESTMENT [Abstract]
Ratio of ACL for loans to loans held for investment		1.40%			1.42%
Allowance for Credit Losses [Roll Forward]
Beginning Balance		$ 43,237		$ 42,356	$ 42,356
Provision for credit losses	[1]	250		765
Charge-offs		(690)		(1,139)
Recoveries		171		192
Ending Balance		42,968		42,174	43,237
Provision for credit losses		420		830
Provision for off-balance sheet credit exposures		170		65
Commercial Real Estate [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		15,973		15,808	15,808
Provision for credit losses	[1]	(186)		62
Charge-offs		0		(86)	(87)
Recoveries		0		0
Ending Balance		15,787		15,784	15,973
Commercial [Member] | Specialized [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		4,640		4,020	4,020
Provision for credit losses	[1]	(151)		(205)
Charge-offs		0		0	0
Recoveries		34		33
Ending Balance		4,523		3,848	4,640
Commercial [Member] | General [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		6,874		6,391	6,391
Provision for credit losses	[1]	(417)		659
Charge-offs		(74)		(375)	(1,082)
Recoveries		20		33
Ending Balance		6,403		6,708	6,874
Consumer [Member] | 1-4 Family Residential [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		9,677		9,177	9,177
Provision for credit losses	[1]	395		273
Charge-offs		0		(172)	(175)
Recoveries		7		2
Ending Balance		10,079		9,280	9,677
Consumer [Member] | Auto Loans [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		3,015		3,601	3,601
Provision for credit losses	[1]	337		(27)
Charge-offs		(303)		(224)	(1,186)
Recoveries		47		65
Ending Balance		3,096		3,415	3,015
Consumer [Member] | Other Consumer [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		1,115		968	968
Provision for credit losses	[1]	247		238
Charge-offs		(313)	[2]	(282)	(1,257)	[3]
Recoveries		58		59
Ending Balance		1,107		983	1,115
Construction [Member]
Allowance for Credit Losses [Roll Forward]
Beginning Balance		1,943		2,391	2,391
Provision for credit losses	[1]	25		(235)
Charge-offs		0		0	(315)
Recoveries		5		0
Ending Balance		$ 1,973		$ 2,156	$ 1,943

[1] For the three months ended March 31, 2025 and 2024, the provision for credit losses of $420 thousand and $830 thousand, respectively, on the Consolidated Statements of Comprehensive Income (Loss) includes a provision for credit losses on loans of $250 thousand and $765 thousand, respectively, and a provision for off-balance sheet credit exposures of $170 thousand and $65 thousand, respectively.

[2] Includes $58 thousand in charged-off demand deposit overdrafts reported as 2025 originations.

[3] Includes $457 thousand in charged-off demand deposit overdrafts reported as 2024 originations.