LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Allowance for loan losses by portfolio (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		$ 24,630	$ 19,843	$ 23,931	$ 17,183	$ 17,183
Impact of ASU 2016-13 adoption		246,875	242,242	246,875	242,242	242,738	$ 245,528	$ 239,822	$ 240,864
(Release) provision for credit losses		2,680	2,209	3,379	1,404
Financing Receivable, Allowance for Credit Loss, Writeoff		(15)	(13)	(26)	(30)
Recoveries		24	5	35	17
Ending balance		27,319	22,044	27,319	22,044	23,931
Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					3,470	3,470
Cumulative change in accounting principle
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Impact of ASU 2016-13 adoption	[1]								$ (5,319)
Cash, Securities, and Other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		777	1,451	961	1,198	1,198
(Release) provision for credit losses		(402)	(140)	(586)	(80)
Financing Receivable, Allowance for Credit Loss, Writeoff				0		0
Ending balance		375	1,311	375	1,311	961
Cash, Securities, and Other | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					193	193
Consumer and Other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		87	196	124	191	191
(Release) provision for credit losses		(15)	(50)	(46)	(145)
Financing Receivable, Allowance for Credit Loss, Writeoff		(15)	(13)	(26)	(30)	(101)
Recoveries		18	4	23	15
Ending balance		75	137	75	137	124
Consumer and Other | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					106	106
Construction and Development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		7,388	6,229	7,945	2,025	2,025
(Release) provision for credit losses		208	1,267	(349)	790
Financing Receivable, Allowance for Credit Loss, Writeoff				0		0
Ending balance		7,596	7,496	7,596	7,496	7,945
Construction and Development | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					4,681	4,681
1-4 Family Residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		4,288	3,821
(Release) provision for credit losses		21	(242)
Financing Receivable, Allowance for Credit Loss, Writeoff				0		0
Recoveries		1
Ending balance		4,310	3,579	4,310	3,579
Non-Owner Occupied CRE
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		2,196	2,709	2,325	3,490	3,490
(Release) provision for credit losses		7	(214)	(122)	(306)
Financing Receivable, Allowance for Credit Loss, Writeoff				0		0
Ending balance		2,203	2,495	2,203	2,495	2,325
Non-Owner Occupied CRE | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					(689)	(689)
Owner Occupied CRE
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		975	1,272	1,034	1,510	1,510
(Release) provision for credit losses		(2)	(90)	(61)	(224)
Financing Receivable, Allowance for Credit Loss, Writeoff				0		0
Ending balance		973	1,182	973	1,182	1,034
Owner Occupied CRE | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					(104)	(104)
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		8,919	4,165	7,172	2,460	2,460
(Release) provision for credit losses		2,863	1,678	4,609	1,291
Financing Receivable, Allowance for Credit Loss, Writeoff				0		(8,737)
Recoveries		5	1		2
Ending balance		$ 11,787	$ 5,844	11,787	5,844	7,172
Commercial and Industrial | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					2,091	2,091
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance				4,370	6,309	6,309
(Release) provision for credit losses				(66)	78
Recoveries				6
Ending balance						4,370
Commercial and Industrial | Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance					$ (2,808)	$ (2,808)
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Recoveries				$ 6

[1] Refer to Note 1 – Organization and Summary of Significant Accounting Policies for further information.