LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans by Year of Origination, Loan Segmentation and Risk Indicator (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2025	Dec. 31, 2024
Credit quality information
2025	$ 345,164	$ 369,226
2024	399,063	294,918
2023	320,341	765,576
2022	776,539	460,563
2021	479,369	313,824
Prior	1,263,240	942,989
Total loans held for investment	3,583,716	3,147,096
Commercial construction \| Total commercial loans
Credit quality information
2025	22,509	34,320
2024	72,218	27,251
2023	38,590	55,825
2022	29,636	771
2021	2,408	4,404
Prior	4,567	9,046
Total loans held for investment	169,928	131,617
Commercial construction \| Pass \| Total commercial loans
Credit quality information
2025	22,509	34,320
2024	57,785	27,251
2023	38,590	55,825
2022	29,636	771
2021	2,408	4,404
Prior	4,567	9,046
Total loans held for investment	155,495	131,617
Commercial construction \| Special mention \| Total commercial loans
Credit quality information
2024	14,433
Total loans held for investment	14,433
Commercial real estate owner occupied \| Total commercial real estate
Credit quality information
2025	33,299	42,705
2024	36,999	46,997
2023	45,277	60,102
2022	72,248	29,808
2021	32,402	20,761
Prior	122,012	101,701
Total loans held for investment	342,237	302,074
Current period gross write-offs
Prior		3
Total		3
Commercial real estate owner occupied \| Pass \| Total commercial real estate
Credit quality information
2025	33,299	42,705
2024	36,999	46,869
2023	44,291	60,102
2022	71,647	29,808
2021	31,702	20,761
Prior	116,926	96,123
Total loans held for investment	334,864	296,368
Commercial real estate owner occupied \| Special mention \| Total commercial real estate
Credit quality information
2024		128
2023	986
2022	601
2021	700
Prior	2,608	2,070
Total loans held for investment	4,895	2,198
Commercial real estate owner occupied \| Substandard \| Total commercial real estate
Credit quality information
Prior	2,421	3,442
Total loans held for investment	2,421	3,442
Commercial real estate owner occupied \| Doubtful \| Total commercial real estate
Credit quality information
Prior	57	66
Total loans held for investment	57	66
Commercial real estate non-owner occupied \| Total commercial real estate
Credit quality information
2025	174,427	142,348
2024	139,095	55,688
2023	78,953	405,235
2022	384,472	254,966
2021	231,740	160,786
Prior	464,449	339,880
Total loans held for investment	1,473,136	1,358,903
Commercial real estate non-owner occupied \| Pass \| Total commercial real estate
Credit quality information
2025	174,427	142,348
2024	113,724	47,986
2023	71,328	405,235
2022	352,343	234,520
2021	198,225	156,873
Prior	417,413	295,646
Total loans held for investment	1,327,460	1,282,608
Commercial real estate non-owner occupied \| Special mention \| Total commercial real estate
Credit quality information
2024	25,371
2022	32,129	20,446
2021	33,515	3,913
Prior	18,970	26,969
Total loans held for investment	109,985	51,328
Commercial real estate non-owner occupied \| Substandard \| Total commercial real estate
Credit quality information
2024		7,702
2023	7,625
Prior	28,066	17,265
Total loans held for investment	35,691	24,967
Tax exempt and other
Credit quality information
2025	6,200	11,026
2024	3,154	2,669
2023	4,629	6,283
2022	6,030	602
2021	918	178
Prior	21,464	23,517
Total loans held for investment	42,395	44,275
Tax exempt and other \| Pass
Credit quality information
2025	6,200	11,026
2024	3,154	2,669
2023	4,629	6,283
2022	6,030	602
2021	918	178
Prior	21,464	23,517
Total loans held for investment	42,395	44,275
Commercial and industrial \| Total commercial and industrial
Credit quality information
2025	54,383	79,348
2024	70,927	76,997
2023	52,277	49,413
2022	50,999	13,209
2021	10,981	32,299
Prior	101,340	68,500
Total loans held for investment	340,907	319,766
Current period gross write-offs
2024		48
2023		28
2022		62
2021	19	18
Prior	461	31
Total	480	187
Commercial and industrial \| Pass \| Total commercial and industrial
Credit quality information
2025	54,183	79,211
2024	70,205	62,047
2023	50,634	47,739
2022	48,501	12,154
2021	10,079	32,239
Prior	95,663	65,002
Total loans held for investment	329,265	298,392
Commercial and industrial \| Special mention \| Total commercial and industrial
Credit quality information
2025	129	9
2024	109	14,878
2023	1,582	1,266
2022	1,962	834
2021	668	60
Prior	4,315	632
Total loans held for investment	8,765	17,679
Commercial and industrial \| Substandard \| Total commercial and industrial
Credit quality information
2025	71	128
2024	613	72
2023	61	408
2022	536	221
2021	234
Prior	973	2,866
Total loans held for investment	2,488	3,695
Commercial and industrial \| Doubtful \| Total commercial and industrial
Credit quality information
Prior	389
Total loans held for investment	389
Residential real estate \| Residential real estate
Credit quality information
2025	34,213	35,872
2024	52,472	67,902
2023	80,758	175,135
2022	217,997	154,229
2021	193,791	89,752
Prior	510,319	365,361
Total loans held for investment	1,089,550	888,251
Residential real estate \| Performing \| Residential real estate
Credit quality information
2025	34,213	35,872
2024	52,472	67,708
2023	79,655	174,677
2022	216,692	154,229
2021	192,766	89,752
Prior	507,018	362,421
Total loans held for investment	1,082,816	884,659
Residential real estate \| Nonperforming \| Residential real estate
Credit quality information
2024		194
2023	1,103	458
2022	1,305
2021	1,025
Prior	3,301	2,940
Total loans held for investment	6,734	3,592
Home equity
Credit quality information
2025	14,553	19,175
2024	21,159	15,762
2023	16,419	12,713
2022	13,923	6,701
2021	6,725	5,536
Prior	38,209	34,254
Total loans held for investment	110,988	94,141
Home equity \| Performing
Credit quality information
2025	14,553	19,175
2024	21,159	15,762
2023	16,295	12,515
2022	13,691	6,648
2021	6,675	5,536
Prior	37,574	33,238
Total loans held for investment	109,947	92,874
Home equity \| Nonperforming
Credit quality information
2023	124	198
2022	232	53
2021	50
Prior	635	1,016
Total loans held for investment	1,041	1,267
Consumer other \| Consumer
Credit quality information
2025	5,580	4,432
2024	3,039	1,652
2023	3,438	870
2022	1,234	277
2021	404	108
Prior	880	730
Total loans held for investment	14,575	8,069
Current period gross write-offs
2024		59
2023	20	12
2022	13
2021	4	2
Prior	186	204
Total	223	277
Consumer other \| Performing \| Consumer
Credit quality information
2025	5,580	4,432
2024	3,039	1,644
2023	3,426	870
2022	1,234	276
2021	404	108
Prior	878	715
Total loans held for investment	14,561	8,045
Consumer other \| Nonperforming \| Consumer
Credit quality information
2024		8
2023	12
2022		1
Prior	2	15
Total loans held for investment	$ 14	$ 24

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