LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS - Schedule of Accounts Receivable, Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	$ 1,785,542		$ 1,787,340
Current period gross charge-offs
Total	0	$ 0
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	574		4,724
2023	4,584		1,704
2022	1,536		87
2021	56		759
2020	734		598
Prior	7,459		7,154
Revolving Loans at Amortized Cost Basis	22,059		20,425
Total	37,002		35,451
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Commercial and Industrial | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	574		4,724
2023	4,584		1,269
2022	1,115		87
2021	56		759
2020	734		598
Prior	7,459		7,154
Revolving Loans at Amortized Cost Basis	21,782		20,148
Total	36,304		34,739
Commercial and Industrial | OAEM
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Commercial and Industrial | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		435
2022	421		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	277		277
Total	698		712
Commercial and Industrial | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		323
2023	321		3,335
2022	3,337		4,499
2021	10		195
2020	207		0
Prior	1,091		1,091
Revolving Loans at Amortized Cost Basis	137,212		148,113
Total	142,178		157,556
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Construction | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		323
2023	321		3,335
2022	3,337		4,499
2021	10		195
2020	207		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	137,212		148,113
Total	141,087		156,465
Construction | OAEM
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Construction | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	1,091		1,091
Revolving Loans at Amortized Cost Basis	0		0
Total	1,091		1,091
Construction | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | Commercial – Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		19,842
2023	19,729		36,030
2022	35,746		21,536
2021	21,380		7,104
2020	6,976		8,346
Prior	53,496		46,366
Revolving Loans at Amortized Cost Basis	2,694		2,518
Total	140,021		141,742
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Real Estate Mortgage | Commercial – Non-owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	19,977		19,123
2023	15,908		93,805
2022	75,683		37,002
2021	33,292		33,566
2020	32,984		57,070
Prior	181,882		128,163
Revolving Loans at Amortized Cost Basis	1,235		1,180
Total	360,961		369,909
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Real Estate Mortgage | Residential – 1 to 4 Family
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	22,696		58,513
2023	57,115		117,044
2022	115,529		61,580
2021	60,054		33,322
2020	33,641		26,394
Prior	154,426		148,124
Revolving Loans at Amortized Cost Basis	4,758		4,705
Total	448,219		449,682
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Real Estate Mortgage | Residential – 1 to 4 Family | Performing
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	22,696		58,358
2023	57,115		117,044
2022	115,529		61,580
2021	60,054		33,037
2020	32,883		25,623
Prior	153,230		148,124
Revolving Loans at Amortized Cost Basis	4,758		4,705
Total	446,265		448,471
Real Estate Mortgage | Residential – 1 to 4 Family | Nonperforming
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		155
2023	0		0
2022	0		0
2021	0		285
2020	758		771
Prior	1,196		0
Revolving Loans at Amortized Cost Basis	0		0
Total	1,954		1,211
Real Estate Mortgage | Residential – 1 to 4 Family Investment
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	13,128		87,734
2023	85,537		138,884
2022	135,889		116,487
2021	113,834		50,119
2020	48,909		54,576
Prior	125,732		76,367
Revolving Loans at Amortized Cost Basis	0		0
Total	523,029		524,167
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Real Estate Mortgage | Residential – 1 to 4 Family Investment | Performing
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	13,128		87,734
2023	85,537		138,884
2022	135,889		116,487
2021	113,834		50,119
2020	48,909		54,576
Prior	125,732		76,367
Revolving Loans at Amortized Cost Basis	0		0
Total	523,029		524,167
Real Estate Mortgage | Residential – 1 to 4 Family Investment | Nonperforming
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | Residential – Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	999		2,292
2023	5,400		23,030
2022	45,934		27,006
2021	26,258		12,159
2020	12,088		9,989
Prior	38,176		28,848
Revolving Loans at Amortized Cost Basis	0		0
Total	128,855		103,324
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	0	0
Real Estate Mortgage | Pass | Commercial – Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		19,842
2023	19,729		36,030
2022	35,746		21,536
2021	21,380		7,104
2020	6,976		8,346
Prior	52,379		45,249
Revolving Loans at Amortized Cost Basis	2,694		2,518
Total	138,904		140,625
Real Estate Mortgage | Pass | Commercial – Non-owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	19,977		19,123
2023	15,908		93,805
2022	75,683		37,002
2021	33,292		33,316
2020	32,735		54,484
Prior	164,639		112,471
Revolving Loans at Amortized Cost Basis	1,235		1,180
Total	343,469		351,381
Real Estate Mortgage | Pass | Residential – Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	999		2,292
2023	5,400		23,030
2022	45,934		27,006
2021	26,258		12,159
2020	12,088		9,989
Prior	38,176		28,848
Revolving Loans at Amortized Cost Basis	0		0
Total	128,855		103,324
Real Estate Mortgage | OAEM | Commercial – Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | OAEM | Commercial – Non-owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	15,386		15,421
Revolving Loans at Amortized Cost Basis	0		0
Total	15,386		15,421
Real Estate Mortgage | OAEM | Residential – Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | Substandard | Commercial – Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	1,117		1,117
Revolving Loans at Amortized Cost Basis	0		0
Total	1,117		1,117
Real Estate Mortgage | Substandard | Commercial – Non-owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		250
2020	249		2,586
Prior	1,857		271
Revolving Loans at Amortized Cost Basis	0		0
Total	2,106		3,107
Real Estate Mortgage | Substandard | Residential – Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | Doubtful | Commercial – Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | Doubtful | Commercial – Non-owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Real Estate Mortgage | Doubtful | Residential – Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0		0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	5,277		5,493
Revolving Loans at Amortized Cost Basis	0		16
Total	5,277		5,509
Current period gross charge-offs
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	0	$ 0	0
Consumer | Performing
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	5,277		5,493
Revolving Loans at Amortized Cost Basis	0		16
Total	5,277		5,509
Consumer | Nonperforming
Financing Receivable, Allowance for Credit Loss [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving Loans at Amortized Cost Basis	0		0
Total	$ 0		$ 0