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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Credit Exposure in Company Loan Portfolio (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | $ 53,842 | $ 288,326
Credit Exposure 2023 | 281,192 | 833,709
Credit Exposure 2022 | 784,895 | 451,802
Credit Exposure 2021 | 431,750 | 159,704
Credit Exposure 2020 | 153,922 | 108,230
Credit Exposure Prior | 408,976 | 320,588
Revolving Loans Amortized Cost | 150,680 | 160,217
Total | 2,265,257 | 2,322,576
Credit Exposure 2024.Charge - offs | (59) | (615)
Credit Exposure 2023.Charge - offs | (20) | (38)
Credit Exposure 2022.Charge - offs | (8) | (76)
Credit Exposure 2021.Charge - offs |  | (52)
Credit Exposure 2020.Charge - offs | (216) | (36)
Credit Exposure Prior.Charge - offs | (7) | (94)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs |  | (293)
Total | (310) | (1,204)
Credit Exposure 2024, Recoveries | 17 | 61
Credit Exposure 2022, Recoveries |  | 4
Credit Exposure 2021, Recoveries | 2 | 1
Credit Exposure 2020, Recoveries | 3 |
Credit Exposure Prior, Recoveries | 178 | 29
Credit Exposure Revolving Loans Amortized Cost, Recoveries |  | 55
Total | 200 | 150
Credit Exposure 2024,Current period net | (42) | (554)
Credit Exposure 2023,Current period net | (20) | (38)
Credit Exposure 2022,Current period net | (8) | (72)
Credit Exposure 2021,Current period net | 2 | (51)
Credit Exposure 2020,Current period net | (213) | (36)
Credit Exposure Prior,Current period net | 171 | (65)
Credit Exposure Revolving Loans Amortized Cost,Current period net |  | (238)
Total | (110) | (1,054)
Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 53,769 | 288,301
Credit Exposure 2023 | 280,463 | 810,203
Credit Exposure 2022 | 770,610 | 441,607
Credit Exposure 2021 | 422,873 | 158,291
Credit Exposure 2020 | 152,427 | 107,314
Credit Exposure Prior | 400,004 | 316,988
Revolving Loans Amortized Cost | 150,502 | 159,933
Total | 2,230,648 | 2,282,637
Special Mention |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 |  | 6
Credit Exposure 2023 | 27 | 7,042
Credit Exposure 2022 | 12,341 | 137
Credit Exposure 2021 | 160 | 958
Credit Exposure 2020 |  | 147
Credit Exposure Prior | 4,604 | 1,196
Revolving Loans Amortized Cost |  | 250
Total | 17,132 | 9,736
Substandard |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 | 490 | 16,210
Credit Exposure 2022 | 1,738 | 6,950
Credit Exposure 2021 | 7,144 | 370
Credit Exposure 2020 | 990 | 446
Credit Exposure Prior | 954 | 635
Total | 11,316 | 24,611
Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 73 | 19
Credit Exposure 2023 | 212 | 254
Credit Exposure 2022 | 206 | 3,108
Credit Exposure 2021 | 1,573 | 85
Credit Exposure 2020 | 505 | 323
Credit Exposure Prior | 3,414 | 1,769
Revolving Loans Amortized Cost | 178 | 34
Total | 6,161 | 5,592
Commercial and industrial |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 7,894 | 42,646
Credit Exposure 2023 | 37,031 | 72,711
Credit Exposure 2022 | 65,788 | 39,988
Credit Exposure 2021 | 36,866 | 14,199
Credit Exposure 2020 | 13,120 | 8,766
Credit Exposure Prior | 19,928 | 12,756
Revolving Loans Amortized Cost | 88,933 | 96,499
Total | 269,560 | 287,565
Credit Exposure 2024.Charge - offs |  | (79)
Credit Exposure 2022.Charge - offs |  | (25)
Credit Exposure 2021.Charge - offs |  | (41)
Credit Exposure 2020.Charge - offs | (216) | (31)
Credit Exposure Prior.Charge - offs |  | (4)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs |  | (293)
Total | (216) | (473)
Credit Exposure Prior, Recoveries | 174 | 4
Credit Exposure Revolving Loans Amortized Cost, Recoveries |  | 15
Total | 174 | 19
Credit Exposure 2024,Current period net |  | (79)
Credit Exposure 2022,Current period net |  | (25)
Credit Exposure 2021,Current period net |  | (41)
Credit Exposure 2020,Current period net | (216) | (31)
Credit Exposure Prior,Current period net | 174 |
Credit Exposure Revolving Loans Amortized Cost,Current period net |  | (278)
Total | (42) | (454)
Commercial and industrial | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 7,894 | 42,646
Credit Exposure 2023 | 36,490 | 72,376
Credit Exposure 2022 | 65,398 | 38,328
Credit Exposure 2021 | 36,745 | 12,864
Credit Exposure 2020 | 12,123 | 8,249
Credit Exposure Prior | 19,193 | 12,524
Revolving Loans Amortized Cost | 88,921 | 96,215
Total | 266,764 | 283,202
Commercial and industrial | Special Mention |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 |  | 16
Credit Exposure 2022 | 9 | 132
Credit Exposure 2021 | 88 | 958
Credit Exposure 2020 |  | 147
Credit Exposure Prior | 82 |
Revolving Loans Amortized Cost |  | 250
Total | 179 | 1,503
Commercial and industrial | Substandard |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 | 490 | 190
Credit Exposure 2022 | 255 |
Credit Exposure 2021 | 33 | 370
Credit Exposure 2020 | 990 | 370
Credit Exposure Prior | 566 | 153
Total | 2,334 | 1,083
Commercial and industrial | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 | 51 | 129
Credit Exposure 2022 | 126 | 1,528
Credit Exposure 2021 |  | 7
Credit Exposure 2020 | 7 |
Credit Exposure Prior | 87 | 79
Revolving Loans Amortized Cost | 12 | 34
Total | 283 | 1,777
Construction and development |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 12,839 | 86,641
Credit Exposure 2023 | 78,917 | 112,609
Credit Exposure 2022 | 94,626 | 62,548
Credit Exposure 2021 | 55,898 | 7,074
Credit Exposure 2020 | 6,243 | 5,915
Credit Exposure Prior | 18,153 | 12,615
Revolving Loans Amortized Cost | 6,624 | 9,237
Total | 273,300 | 296,639
Construction and development | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 12,766 | 86,641
Credit Exposure 2023 | 78,785 | 112,347
Credit Exposure 2022 | 94,439 | 62,548
Credit Exposure 2021 | 55,898 | 7,074
Credit Exposure 2020 | 6,243 | 5,915
Credit Exposure Prior | 18,042 | 12,504
Revolving Loans Amortized Cost | 6,624 | 9,237
Total | 272,797 | 296,266
Construction and development | Substandard |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 |  | 189
Credit Exposure 2022 | 187 |
Credit Exposure Prior | 67 | 67
Total | 254 | 256
Construction and development | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 73 |
Credit Exposure 2023 | 132 | 73
Credit Exposure Prior | 44 | 44
Total | 249 | 117
Commercial real estate |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 10,388 | 46,655
Credit Exposure 2023 | 55,208 | 391,764
Credit Exposure 2022 | 373,144 | 156,486
Credit Exposure 2021 | 153,551 | 81,765
Credit Exposure 2020 | 79,919 | 54,181
Credit Exposure Prior | 219,782 | 177,279
Revolving Loans Amortized Cost | 14,692 | 15,065
Total | 906,684 | 923,195
Credit Exposure 2024.Charge - offs |  | (190)
Credit Exposure Prior.Charge - offs |  | (87)
Total |  | (277)
Credit Exposure 2024,Current period net |  | (190)
Credit Exposure Prior,Current period net |  | (87)
Total |  | (277)
Commercial real estate | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 10,388 | 46,655
Credit Exposure 2023 | 55,208 | 368,933
Credit Exposure 2022 | 359,523 | 149,536
Credit Exposure 2021 | 146,488 | 81,765
Credit Exposure 2020 | 79,919 | 54,100
Credit Exposure Prior | 215,062 | 176,509
Revolving Loans Amortized Cost | 14,692 | 15,065
Total | 881,280 | 892,563
Commercial real estate | Special Mention |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 |  | 7,000
Credit Exposure 2022 | 12,325 |
Credit Exposure Prior | 4,494 | 333
Total | 16,819 | 7,333
Commercial real estate | Substandard |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2023 |  | 15,831
Credit Exposure 2022 | 1,296 | 6,950
Credit Exposure 2021 | 7,063 |
Credit Exposure 2020 |  | 49
Credit Exposure Prior | 226 | 337
Total | 8,585 | 23,167
Commercial real estate | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2020 |  | 32
Credit Exposure Prior |  | 100
Total |  | 132
Farmland |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 1,089 | 25,009
Credit Exposure 2023 | 23,045 | 77,371
Credit Exposure 2022 | 73,513 | 46,817
Credit Exposure 2021 | 45,489 | 8,556
Credit Exposure 2020 | 8,093 | 5,626
Credit Exposure Prior | 20,814 | 16,067
Revolving Loans Amortized Cost | 8,459 | 6,849
Total | 180,502 | 186,295
Farmland | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 1,089 | 25,009
Credit Exposure 2023 | 23,045 | 77,371
Credit Exposure 2022 | 73,513 | 46,817
Credit Exposure 2021 | 45,185 | 8,556
Credit Exposure 2020 | 7,989 | 5,599
Credit Exposure Prior | 20,445 | 15,850
Revolving Loans Amortized Cost | 8,459 | 6,849
Total | 179,725 | 186,051
Farmland | Substandard |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2021 | 48 |
Credit Exposure 2020 |  | 27
Credit Exposure Prior | 76 | 53
Total | 124 | 80
Farmland | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2021 | 256 |
Credit Exposure 2020 | 104 |
Credit Exposure Prior | 293 | 164
Total | 653 | 164
1-4 family residential |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 14,126 | 57,348
Credit Exposure 2023 | 62,059 | 143,992
Credit Exposure 2022 | 143,318 | 122,213
Credit Exposure 2021 | 118,839 | 42,588
Credit Exposure 2020 | 41,518 | 28,939
Credit Exposure Prior | 121,433 | 97,377
Revolving Loans Amortized Cost | 22,280 | 22,146
Total | 523,573 | 514,603
1-4 family residential | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 14,126 | 57,348
Credit Exposure 2023 | 62,059 | 143,992
Credit Exposure 2022 | 143,318 | 120,964
Credit Exposure 2021 | 117,522 | 42,535
Credit Exposure 2020 | 41,147 | 28,764
Credit Exposure Prior | 118,567 | 95,198
Revolving Loans Amortized Cost | 22,114 | 22,146
Total | 518,853 | 510,947
1-4 family residential | Special Mention |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2021 | 72 |
Credit Exposure Prior | 19 | 863
Total | 91 | 863
1-4 family residential | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2022 |  | 1,249
Credit Exposure 2021 | 1,245 | 53
Credit Exposure 2020 | 371 | 175
Credit Exposure Prior | 2,847 | 1,316
Revolving Loans Amortized Cost | 166 |
Total | 4,629 | 2,793
Multi-family residential |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 |  | 1,984
Credit Exposure 2023 | 1,971 | 18,041
Credit Exposure 2022 | 19,946 | 16,496
Credit Exposure 2021 | 15,047 | 2,363
Credit Exposure 2020 | 2,337 | 3,862
Credit Exposure Prior | 5,261 | 1,492
Revolving Loans Amortized Cost | 7 | 54
Total | 44,569 | 44,292
Multi-family residential | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 |  | 1,984
Credit Exposure 2023 | 1,971 | 18,041
Credit Exposure 2022 | 19,946 | 16,496
Credit Exposure 2021 | 15,047 | 2,363
Credit Exposure 2020 | 2,337 | 3,862
Credit Exposure Prior | 5,261 | 1,492
Revolving Loans Amortized Cost | 7 | 54
Total | 44,569 | 44,292
Consumer and Overdrafts |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 6,817 | 26,186
Credit Exposure 2023 | 21,349 | 15,259
Credit Exposure 2022 | 12,858 | 5,920
Credit Exposure 2021 | 5,059 | 2,474
Credit Exposure 2020 | 2,056 | 631
Credit Exposure Prior | 2,682 | 2,344
Revolving Loans Amortized Cost | 3,830 | 4,488
Total | 54,651 | 57,302
Credit Exposure 2024.Charge - offs | (59) | (346)
Credit Exposure 2023.Charge - offs | (20) | (38)
Credit Exposure 2022.Charge - offs | (8) | (51)
Credit Exposure 2021.Charge - offs |  | (11)
Credit Exposure 2020.Charge - offs |  | (5)
Credit Exposure Prior.Charge - offs | (7) |
Total | (94) | (451)
Credit Exposure 2024, Recoveries | 17 | 61
Credit Exposure 2022, Recoveries |  | 4
Credit Exposure 2021, Recoveries | 2 | 1
Credit Exposure 2020, Recoveries | 3 |
Credit Exposure Prior, Recoveries | 2 | 23
Credit Exposure Revolving Loans Amortized Cost, Recoveries |  | 40
Total | 24 | 129
Credit Exposure 2024,Current period net | (42) | (285)
Credit Exposure 2023,Current period net | (20) | (38)
Credit Exposure 2022,Current period net | (8) | (47)
Credit Exposure 2021,Current period net | 2 | (10)
Credit Exposure 2020,Current period net | 3 | (5)
Credit Exposure Prior,Current period net | (5) | 23
Credit Exposure Revolving Loans Amortized Cost,Current period net |  | 40
Total | (70) | (322)
Consumer and Overdrafts | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 6,817 | 26,161
Credit Exposure 2023 | 21,293 | 15,181
Credit Exposure 2022 | 12,771 | 5,840
Credit Exposure 2021 | 4,987 | 2,449
Credit Exposure 2020 | 2,033 | 589
Credit Exposure Prior | 2,630 | 2,307
Revolving Loans Amortized Cost | 3,830 | 4,488
Total | 54,361 | 57,015
Consumer and Overdrafts | Special Mention |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 |  | 6
Credit Exposure 2023 | 27 | 26
Credit Exposure 2022 | 7 | 5
Credit Exposure Prior | 9 |
Total | 43 | 37
Consumer and Overdrafts | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 |  | 19
Credit Exposure 2023 | 29 | 52
Credit Exposure 2022 | 80 | 75
Credit Exposure 2021 | 72 | 25
Credit Exposure 2020 | 23 | 42
Credit Exposure Prior | 43 | 37
Total | 247 | 250
Agricultural |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 689 | 1,857
Credit Exposure 2023 | 1,612 | 1,962
Credit Exposure 2022 | 1,702 | 1,334
Credit Exposure 2021 | 1,001 | 685
Credit Exposure 2020 | 636 | 310
Credit Exposure Prior | 923 | 658
Revolving Loans Amortized Cost | 5,855 | 5,879
Total | 12,418 | 12,685
Credit Exposure Prior.Charge - offs |  | (3)
Total |  | (3)
Credit Exposure Prior, Recoveries | 2 | 2
Total | 2 | 2
Credit Exposure Prior,Current period net | 2 | (1)
Total | 2 | (1)
Agricultural | Pass |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2024 | 689 | 1,857
Credit Exposure 2023 | 1,612 | 1,962
Credit Exposure 2022 | 1,702 | 1,078
Credit Exposure 2021 | 1,001 | 685
Credit Exposure 2020 | 636 | 236
Credit Exposure Prior | 804 | 604
Revolving Loans Amortized Cost | 5,855 | 5,879
Total | 12,299 | 12,301
Agricultural | Substandard |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure Prior | 19 | 25
Total | 19 | 25
Agricultural | Nonaccrual |  |
Financing Receivable Recorded Investment [Line Items] |  |
Credit Exposure 2022 |  | 256
Credit Exposure 2020 |  | 74
Credit Exposure Prior | 100 | 29
Total | $ 100 | $ 359

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