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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Loans Receivables Based on Delinquency Status) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Loans, Total | $ 15,283,620 | $ 14,449,142
Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 101,749 | 212,871
Current period gross writeoff, Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 256,194 | 266,326
Current period gross writeoff, Fiscal Year Before Current Fiscal Year | (16) |
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 273,046 | 162,915
Current period gross writeoff, Two Years Before Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 155,412 | 36,614
Current period gross writeoff, Three Years Before Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 33,327 | 24,202
Current period gross writeoff, Four Years Before Current Fiscal Year | (69) |
Term Loans Amortized Cost Basis by Origination Year, Prior | 237,554 | 237,335
Current period gross writeoff, Prior | (39) |
Financing Receivable, Revolving Loans | 12 | 12
Current period gross writeoff, Revolving Loans | 0 |
Loans, Total | 1,057,294 | 940,275
Current period gross writeoff, Total | (124) |
Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 36,241 | 68,524
Current period gross writeoff, Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 57,069 | 13,959
Current period gross writeoff, Fiscal Year Before Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 12,175 | 5,054
Current period gross writeoff, Two Years Before Current Fiscal Year | (3) |
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 4,570 | 1,672
Current period gross writeoff, Three Years Before Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 1,059 | 814
Current period gross writeoff, Four Years Before Current Fiscal Year | 0 |
Term Loans Amortized Cost Basis by Origination Year, Prior | 1,165 | 476
Current period gross writeoff, Prior | 0 |
Financing Receivable, Revolving Loans | 487,003 | 494,685
Current period gross writeoff, Revolving Loans | (26) |
Loans, Total | 599,282 | 585,184
Current period gross writeoff, Total | (29) |
Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 84,493 | 286,078
Current period gross writeoff, Current Fiscal Year | (23) |
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 230,278 | 155,918
Current period gross writeoff, Fiscal Year Before Current Fiscal Year | (410) |
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 120,010 | 82,436
Current period gross writeoff, Two Years Before Current Fiscal Year | (171) |
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 59,820 | 44,712
Current period gross writeoff, Three Years Before Current Fiscal Year | (101) |
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 29,354 | 16,152
Current period gross writeoff, Four Years Before Current Fiscal Year | (60) |
Term Loans Amortized Cost Basis by Origination Year, Prior | 10,406 | 7,680
Current period gross writeoff, Prior | (48) |
Financing Receivable, Revolving Loans | 0 | 0
Current period gross writeoff, Revolving Loans | 0 |
Loans, Total | 534,361 | 592,976
Current period gross writeoff, Total | (813) |
Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 10,874 | 36,639
Current period gross writeoff, Current Fiscal Year | (15) |
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 26,407 | 15,944
Current period gross writeoff, Fiscal Year Before Current Fiscal Year | (65) |
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 11,654 | 11,074
Current period gross writeoff, Two Years Before Current Fiscal Year | (90) |
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 8,682 | 23,974
Current period gross writeoff, Three Years Before Current Fiscal Year | (652) |
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 17,328 | 16,164
Current period gross writeoff, Four Years Before Current Fiscal Year | (14) |
Term Loans Amortized Cost Basis by Origination Year, Prior | 26,036 | 19,152
Current period gross writeoff, Prior | (510) |
Financing Receivable, Revolving Loans | 25,170 | 29,598
Current period gross writeoff, Revolving Loans | (56) |
Loans, Total | 126,151 | 152,545
Current period gross writeoff, Total | (1,402) |
Consumer Portfolio |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 233,357 | 604,112
Current period gross writeoff, Current Fiscal Year | (38) |
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 569,948 | 452,147
Current period gross writeoff, Fiscal Year Before Current Fiscal Year | (491) |
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 416,885 | 261,479
Current period gross writeoff, Two Years Before Current Fiscal Year | (264) |
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 228,484 | 106,972
Current period gross writeoff, Three Years Before Current Fiscal Year | (753) |
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 81,068 | 57,332
Current period gross writeoff, Four Years Before Current Fiscal Year | (143) |
Term Loans Amortized Cost Basis by Origination Year, Prior | 275,161 | 264,643
Current period gross writeoff, Prior | (597) |
Financing Receivable, Revolving Loans | 512,185 | 524,295
Current period gross writeoff, Revolving Loans | (82) |
Loans, Total | 2,317,088 | 2,270,980
Current period gross writeoff, Total | (2,368) |
Current | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 101,653 | 212,697
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 255,179 | 263,734
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 270,580 | 162,826
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 155,239 | 36,197
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 33,221 | 22,629
Term Loans Amortized Cost Basis by Origination Year, Prior | 224,635 | 221,738
Financing Receivable, Revolving Loans | 12 | 12
Loans, Total | 1,040,519 | 919,833
Current | Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 36,058 | 68,434
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 56,777 | 13,810
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 12,148 | 4,997
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 4,517 | 1,672
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 1,059 | 801
Term Loans Amortized Cost Basis by Origination Year, Prior | 1,165 | 476
Financing Receivable, Revolving Loans | 480,024 | 487,803
Loans, Total | 591,748 | 577,993
Current | Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 84,225 | 285,036
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 229,046 | 154,904
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 118,931 | 81,710
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 59,340 | 44,086
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 28,926 | 15,974
Term Loans Amortized Cost Basis by Origination Year, Prior | 10,261 | 7,525
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 530,729 | 589,235
Current | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 10,803 | 36,513
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 26,226 | 15,897
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 11,550 | 11,019
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 8,635 | 23,838
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 17,174 | 16,084
Term Loans Amortized Cost Basis by Origination Year, Prior | 25,877 | 19,070
Financing Receivable, Revolving Loans | 25,107 | 29,537
Loans, Total | 125,372 | 151,958
Current | Consumer Portfolio |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 232,739 | 602,680
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 567,228 | 448,345
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 413,209 | 260,552
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 227,731 | 105,793
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 80,380 | 55,488
Term Loans Amortized Cost Basis by Origination Year, Prior | 261,938 | 248,809
Financing Receivable, Revolving Loans | 505,143 | 517,352
Loans, Total | 2,288,368 | 2,239,019
30 to 59 Days Past Due | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 47 | 174
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 97 | 2,169
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 33 | 89
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 173 | 46
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 220
Term Loans Amortized Cost Basis by Origination Year, Prior | 650 | 3,253
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 1,000 | 5,951
30 to 59 Days Past Due | Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 90
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 135 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 0
Financing Receivable, Revolving Loans | 2,191 | 1,753
Loans, Total | 2,326 | 1,843
30 to 59 Days Past Due | Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 229 | 808
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 905 | 772
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 851 | 451
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 317 | 456
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 315 | 134
Term Loans Amortized Cost Basis by Origination Year, Prior | 86 | 126
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 2,703 | 2,747
30 to 59 Days Past Due | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 49 | 61
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 136 | 27
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 55 | 36
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 19 | 113
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 95 | 34
Term Loans Amortized Cost Basis by Origination Year, Prior | 133 | 61
Financing Receivable, Revolving Loans | 30 | 19
Loans, Total | 517 | 351
30 to 59 Days Past Due | Consumer Portfolio |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 325 | 1,133
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 1,273 | 2,968
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 939 | 576
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 509 | 615
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 410 | 388
Term Loans Amortized Cost Basis by Origination Year, Prior | 869 | 3,440
Financing Receivable, Revolving Loans | 2,221 | 1,772
Loans, Total | 6,546 | 10,892
60 to 89 Days Past Due | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 427 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 149 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 413
Term Loans Amortized Cost Basis by Origination Year, Prior | 1,199 | 1,277
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 1,775 | 1,690
60 to 89 Days Past Due | Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 183 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 0
Financing Receivable, Revolving Loans | 419 | 511
Loans, Total | 602 | 511
60 to 89 Days Past Due | Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 65
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 68 | 129
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 95 | 146
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 69 | 76
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 73 | 30
Term Loans Amortized Cost Basis by Origination Year, Prior | 34 | 4
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 339 | 450
60 to 89 Days Past Due | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 12 | 43
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 5 | 17
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 12 | 10
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 24 | 11
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 59 | 14
Term Loans Amortized Cost Basis by Origination Year, Prior | 19 | 21
Financing Receivable, Revolving Loans | 33 | 9
Loans, Total | 164 | 125
60 to 89 Days Past Due | Consumer Portfolio |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 195 | 108
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 500 | 146
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 256 | 156
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 93 | 87
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 132 | 457
Term Loans Amortized Cost Basis by Origination Year, Prior | 1,252 | 1,302
Financing Receivable, Revolving Loans | 452 | 520
Loans, Total | 2,880 | 2,776
Greater Than 90 Days and still Accruing | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 49 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 1,719 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 64
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Prior | 1,864 | 1,891
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 3,632 | 1,955
Greater Than 90 Days and still Accruing | Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 0
Financing Receivable, Revolving Loans | 1,034 | 1,384
Loans, Total | 1,034 | 1,384
Greater Than 90 Days and still Accruing | Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 29 | 169
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 88 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 65 | 111
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 21 | 32
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 1 | 12
Term Loans Amortized Cost Basis by Origination Year, Prior | 25 | 20
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 229 | 344
Greater Than 90 Days and still Accruing | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 10 | 22
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 40 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 37 | 9
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 4 | 12
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 32
Term Loans Amortized Cost Basis by Origination Year, Prior | 7 | 0
Financing Receivable, Revolving Loans | 0 | 33
Loans, Total | 98 | 108
Greater Than 90 Days and still Accruing | Consumer Portfolio |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 88 | 191
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 128 | 0
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 1,821 | 120
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 25 | 108
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 1 | 44
Term Loans Amortized Cost Basis by Origination Year, Prior | 1,896 | 1,911
Financing Receivable, Revolving Loans | 1,034 | 1,417
Loans, Total | 4,993 | 3,791
Nonaccrual | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 491 | 423
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 565 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 307
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 106 | 940
Term Loans Amortized Cost Basis by Origination Year, Prior | 9,206 | 9,176
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 10,368 | 10,846
Nonaccrual | Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 157 | 149
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 27 | 57
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 53 | 0
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 13
Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 0
Financing Receivable, Revolving Loans | 3,335 | 3,234
Loans, Total | 3,572 | 3,453
Nonaccrual | Auto |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 10 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 171 | 113
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 68 | 18
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 73 | 62
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 39 | 2
Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 5
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 361 | 200
Nonaccrual | Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 3
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0
Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 0
Financing Receivable, Revolving Loans | 0 | 0
Loans, Total | 0 | 3
Nonaccrual | Consumer Portfolio |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 10 | 0
Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 819 | 688
Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 660 | 75
Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 126 | 369
Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 145 | 955
Term Loans Amortized Cost Basis by Origination Year, Prior | 9,206 | 9,181
Financing Receivable, Revolving Loans | 3,335 | 3,234
Loans, Total | $ 14,301 | $ 14,502

X
- Definition Aggregate amount, after recoveries, of loans and leases that have been written-off. + References No definition available. + Details
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Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References No definition available. + Details
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Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition Write-offs of financing and lease receivables, if applicable, originated more than five years prior to current fiscal year. + References No definition available. + Details
Name: | aub_FinancingReceivableAndNetInvestmentInLeaseExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteOffs
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount excluding accrued interest of financing receivable and lease receivable, if applicable, originated four years prior to current fiscal year. + References No definition available. + Details
Name: | aub_FinancingReceivableAndNetInvestmentInLeaseExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Write-offs of financing and lease receivables, if applicable, originated four years prior to current fiscal year. + References No definition available. + Details
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