LOANS - Schedule of Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	$ 80,743	$ 403,750
2023-2022	405,596	576,496
2022-2021	580,726	351,083
2021-2020	343,812	169,732
2020-2021	165,492	78,403
Prior	236,349	166,352
Revolving Loans	158,678	144,861
Total	1,971,396	1,890,677
2024-2023, Write-off	0	424
2023-2022, Write-off	15	57
2022-2021, Write-off	442	169
2021-2020, Write-off	27	44
2020-2021, Write-off	0	0
Prior, Write-off	11	0
Revolving Loans, Write-off	0	3
Total, Write-off	495	697
Collateral dependent loans	20,634	19,846
ACL	1,269	1,366
Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	18,265	16,704
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	2,369	3,142
Real Estate Mortgages: | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	13,948	48,141
2023-2022	52,983	139,291
2022-2021	140,428	39,679
2021-2020	26,016	1,721
2020-2021	1,735	1,969
Prior	11,294	9,643
Revolving Loans	6,530	2,516
Total	252,934	242,960
2024-2023, Write-off	0	0
2023-2022, Write-off	0	0
2022-2021, Write-off	0	0
2021-2020, Write-off	0	0
2020-2021, Write-off	0	0
Prior, Write-off	0	0
Revolving Loans, Write-off	0	3
Total, Write-off	0	3
Collateral dependent loans	205	210
ACL	29	31
Real Estate Mortgages: | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	15,864	51,216
2023-2022	50,484	54,728
2022-2021	56,802	23,808
2021-2020	21,604	42,071
2020-2021	41,520	6,649
Prior	18,719	12,945
Revolving Loans	33,709	33,186
Total	238,702	224,603
2024-2023, Write-off	0	0
2023-2022, Write-off	0	0
2022-2021, Write-off	0	0
2021-2020, Write-off	0	0
2020-2021, Write-off	0	0
Prior, Write-off	11	0
Revolving Loans, Write-off	0	0
Total, Write-off	11	0
Collateral dependent loans	967	980
ACL	67	72
Real Estate Mortgages: | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	31,885	233,494
2023-2022	231,913	328,788
2022-2021	332,617	266,658
2021-2020	277,035	101,690
2020-2021	100,092	64,320
Prior	193,544	135,232
Revolving Loans	15,548	14,685
Total	1,182,634	1,144,867
2024-2023, Write-off	0	0
2023-2022, Write-off	0	0
2022-2021, Write-off	0	0
2021-2020, Write-off	27	0
2020-2021, Write-off	0	0
Prior, Write-off	0	0
Revolving Loans, Write-off	0	0
Total, Write-off	27	0
Collateral dependent loans	17,093	15,514
ACL	769	162
Real Estate Mortgages: | Real Estate | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	205	210
Real Estate Mortgages: | Real Estate | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	967	980
Real Estate Mortgages: | Real Estate | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	17,093	15,514
Real Estate Mortgages: | Other | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	0	0
Real Estate Mortgages: | Other | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	0	0
Real Estate Mortgages: | Other | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	0	0
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	17,601	68,608
2023-2022	68,407	52,578
2022-2021	49,927	20,646
2021-2020	18,977	24,101
2020-2021	22,087	5,149
Prior	11,506	7,257
Revolving Loans	100,196	91,622
Total	288,701	269,961
2024-2023, Write-off	0	424
2023-2022, Write-off	0	51
2022-2021, Write-off	442	167
2021-2020, Write-off	0	44
2020-2021, Write-off	0	0
Prior, Write-off	0	0
Revolving Loans, Write-off	0	0
Total, Write-off	442	686
Collateral dependent loans	2,352	3,131
ACL	404	1,100
Commercial and industrial | Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	0	0
Commercial and industrial | Other
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	2,352	3,131
Consumer and other
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	1,445	2,291
2023-2022	1,809	1,111
2022-2021	952	292
2021-2020	180	149
2020-2021	58	316
Prior	1,286	1,275
Revolving Loans	2,695	2,852
Total	8,425	8,286
2024-2023, Write-off	0	0
2023-2022, Write-off	15	6
2022-2021, Write-off	0	2
2021-2020, Write-off	0	0
2020-2021, Write-off	0	0
Prior, Write-off	0	0
Revolving Loans, Write-off	0	0
Total, Write-off	15	8
Collateral dependent loans	17	11
ACL	0	1
Consumer and other | Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	0	0
Consumer and other | Other
Financing Receivable, Credit Quality Indicator [Line Items]
Collateral dependent loans	17	11
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	79,874	402,883
2023-2022	404,767	574,386
2022-2021	579,164	340,412
2021-2020	334,486	164,398
2020-2021	160,263	77,445
Prior	222,497	151,636
Revolving Loans	152,856	141,259
Total	1,933,907	1,852,419
Pass | Real Estate Mortgages: | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	13,948	48,141
2023-2022	52,983	139,291
2022-2021	140,428	39,679
2021-2020	26,016	1,721
2020-2021	1,735	1,969
Prior	6,875	5,214
Revolving Loans	6,530	2,516
Total	248,515	238,531
Pass | Real Estate Mortgages: | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	15,864	51,135
2023-2022	50,403	54,610
2022-2021	56,688	23,808
2021-2020	21,604	42,071
2020-2021	41,520	6,496
Prior	18,535	12,883
Revolving Loans	33,602	33,132
Total	238,216	224,135
Pass | Real Estate Mortgages: | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	31,761	232,834
2023-2022	231,255	328,006
2022-2021	331,937	256,007
2021-2020	268,060	99,067
2020-2021	97,495	63,906
Prior	184,663	125,007
Revolving Loans	15,218	14,685
Total	1,160,389	1,119,512
Pass | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	16,856	68,482
2023-2022	68,317	51,368
2022-2021	49,159	20,626
2021-2020	18,633	21,390
2020-2021	19,455	4,758
Prior	11,138	7,257
Revolving Loans	94,811	88,074
Total	278,369	261,955
Pass | Consumer and other
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	1,445	2,291
2023-2022	1,809	1,111
2022-2021	952	292
2021-2020	173	149
2020-2021	58	316
Prior	1,286	1,275
Revolving Loans	2,695	2,852
Total	8,418	8,286
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	860	207
2023-2022	124	350
2022-2021	102	2,840
2021-2020	1,501	5,334
2020-2021	5,229	586
Prior	6,285	8,919
Revolving Loans	4,472	1,873
Total	18,573	20,109
Special Mention | Real Estate Mortgages: | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	4,419	4,429
Revolving Loans	0	0
Total	4,419	4,429
Special Mention | Real Estate Mortgages: | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	81
2023-2022	81	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	53	0
Total	134	81
Special Mention | Real Estate Mortgages: | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	124	0
2023-2022	0	350
2022-2021	102	2,840
2021-2020	1,172	2,623
2020-2021	2,597	414
Prior	1,708	4,490
Revolving Loans	330	0
Total	6,033	10,717
Special Mention | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	736	126
2023-2022	43	0
2022-2021	0	0
2021-2020	329	2,711
2020-2021	2,632	172
Prior	158	0
Revolving Loans	4,089	1,873
Total	7,987	4,882
Special Mention | Consumer and other
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	9	660
2023-2022	705	1,760
2022-2021	1,460	7,831
2021-2020	7,825	0
2020-2021	0	372
Prior	7,567	5,797
Revolving Loans	1,350	1,729
Total	18,916	18,149
Substandard | Real Estate Mortgages: | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Substandard | Real Estate Mortgages: | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	118
2022-2021	114	0
2021-2020	0	0
2020-2021	0	153
Prior	184	62
Revolving Loans	54	54
Total	352	387
Substandard | Real Estate Mortgages: | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	660
2023-2022	658	432
2022-2021	578	7,811
2021-2020	7,803	0
2020-2021	0	0
Prior	7,173	5,735
Revolving Loans	0	0
Total	16,212	14,638
Substandard | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	9	0
2023-2022	47	1,210
2022-2021	768	20
2021-2020	15	0
2020-2021	0	219
Prior	210	0
Revolving Loans	1,296	1,675
Total	2,345	3,124
Substandard | Consumer and other
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	7	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	7	0
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful | Real Estate Mortgages: | Construction and development
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful | Real Estate Mortgages: | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful | Real Estate Mortgages: | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful | Consumer and other
Financing Receivable, Credit Quality Indicator [Line Items]
2024-2023	0	0
2023-2022	0	0
2022-2021	0	0
2021-2020	0	0
2020-2021	0	0
Prior	0	0
Revolving Loans	0	0
Total	$ 0	$ 0