XML 63 R50.htm IDEA: XBRL DOCUMENT
v3.23.3

LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Credit Quality and Origination by Portfolio Segment Analysis) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Gross charge-offs for the nine months ended |  |  |  |  |
Charge-offs | $ 345 | $ 278 | $ 1,240 | $ 939 | $ 1,242
Commercial real estate - non-owner-occupied |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 68,942 |  | 68,942 |  | 339,171
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 356,387 |  | 356,387 |  | 288,043
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 300,367 |  | 300,367 |  | 162,291
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 152,198 |  | 152,198 |  | 125,491
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 118,422 |  | 118,422 |  | 116,696
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 353,147 |  | 353,147 |  | 260,751
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 1,349,463 |  | 1,349,463 |  | 1,292,443
Gross charge-offs for the nine months ended |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Revolving, Writeoff |  |  | 0 |  |
Financing Receivable, Revolving, Converted to Term Loan, Writeoff |  |  | 0 |  |
Charge-offs |  |  | 0 |  |
Commercial real estate - non-owner-occupied | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 60,945 |  | 60,945 |  | 339,171
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 356,211 |  | 356,211 |  | 287,749
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 300,251 |  | 300,251 |  | 160,621
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 149,663 |  | 149,663 |  | 125,029
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 118,273 |  | 118,273 |  | 108,823
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 341,183 |  | 341,183 |  | 242,024
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 1,326,526 |  | 1,326,526 |  | 1,263,417
Commercial real estate - non-owner-occupied | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 7,997 |  | 7,997 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 167
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 364
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 352 |  | 352 |  | 259
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 34 |  | 34 |  | 75
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 3,629 |  | 3,629 |  | 321
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 12,012 |  | 12,012 |  | 1,186
Commercial real estate - non-owner-occupied | Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 176 |  | 176 |  | 127
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 116 |  | 116 |  | 1,306
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 2,183 |  | 2,183 |  | 203
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 115 |  | 115 |  | 7,798
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 8,335 |  | 8,335 |  | 18,406
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 10,925 |  | 10,925 |  | 27,840
Commercial real estate - non-owner-occupied | Doubtful |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 0 |  | 0 |  | 0
Commercial real estate - owner-occupied |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 22,527 |  | 22,527 |  | 60,144
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 55,097 |  | 55,097 |  | 82,834
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 79,636 |  | 79,636 |  | 28,378
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 25,120 |  | 25,120 |  | 43,373
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 18,982 |  | 18,982 |  | 42,820
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 102,463 |  | 102,463 |  | 74,945
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 303,825 |  | 303,825 |  | 332,494
Gross charge-offs for the nine months ended |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 58 |  |
Financing Receivable, Revolving, Writeoff |  |  | 0 |  |
Financing Receivable, Revolving, Converted to Term Loan, Writeoff |  |  | 0 |  |
Charge-offs |  |  | 58 |  |
Commercial real estate - owner-occupied | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 22,527 |  | 22,527 |  | 60,127
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 55,097 |  | 55,097 |  | 80,781
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 77,457 |  | 77,457 |  | 28,378
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 25,120 |  | 25,120 |  | 23,381
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 18,982 |  | 18,982 |  | 39,554
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 95,828 |  | 95,828 |  | 70,568
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 295,011 |  | 295,011 |  | 302,789
Commercial real estate - owner-occupied | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 2,053
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 19,992
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 142 |  | 142 |  | 411
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 142 |  | 142 |  | 22,456
Commercial real estate - owner-occupied | Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 17
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 2,179 |  | 2,179 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 3,266
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 6,493 |  | 6,493 |  | 3,966
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 8,672 |  | 8,672 |  | 7,249
Commercial real estate - owner-occupied | Doubtful |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 0 |  | 0 |  | 0
Commercial |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 25,523 |  | 25,523 |  | 73,686
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 58,270 |  | 58,270 |  | 70,162
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 59,966 |  | 59,966 |  | 32,498
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 27,008 |  | 27,008 |  | 33,848
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 28,128 |  | 28,128 |  | 23,187
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 42,014 |  | 42,014 |  | 27,958
Financing Receivable, Revolving | 115,284 |  | 115,284 |  | 136,403
Financing Receivable, Revolving, Converted to Term Loan | 43,838 |  | 43,838 |  | 32,389
Gross loans | 400,031 |  | 400,031 |  | 430,131
Gross charge-offs for the nine months ended |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 68 |  |
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 137 |  |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 23 |  |
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 20 |  |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 725 |  |
Financing Receivable, Revolving, Writeoff |  |  | 32 |  |
Financing Receivable, Revolving, Converted to Term Loan, Writeoff |  |  | 96 |  |
Charge-offs |  |  | 1,101 |  |
Commercial | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 25,211 |  | 25,211 |  | 73,537
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 57,843 |  | 57,843 |  | 70,110
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 59,490 |  | 59,490 |  | 32,272
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 26,000 |  | 26,000 |  | 33,491
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 27,833 |  | 27,833 |  | 22,271
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 40,535 |  | 40,535 |  | 26,245
Financing Receivable, Revolving | 111,723 |  | 111,723 |  | 135,157
Financing Receivable, Revolving, Converted to Term Loan | 41,471 |  | 41,471 |  | 30,191
Gross loans | 390,106 |  | 390,106 |  | 423,274
Commercial | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 47 |  | 47 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 166 |  | 166 |  | 93
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 205 |  | 205 |  | 141
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1 |  | 1 |  | 70
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 105 |  | 105 |  | 189
Financing Receivable, Revolving | 2,181 |  | 2,181 |  | 1,196
Financing Receivable, Revolving, Converted to Term Loan | 871 |  | 871 |  | 12
Gross loans | 3,576 |  | 3,576 |  | 1,701
Commercial | Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 265 |  | 265 |  | 149
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 427 |  | 427 |  | 52
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 310 |  | 310 |  | 133
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 803 |  | 803 |  | 216
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 294 |  | 294 |  | 846
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,374 |  | 1,374 |  | 1,524
Financing Receivable, Revolving | 1,380 |  | 1,380 |  | 50
Financing Receivable, Revolving, Converted to Term Loan | 1,496 |  | 1,496 |  | 2,186
Gross loans | 6,349 |  | 6,349 |  | 5,156
Commercial | Doubtful |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 0 |  | 0 |  | 0
Residential real estate |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 119,925 |  | 119,925 |  | 533,035
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 542,015 |  | 542,015 |  | 579,216
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 553,770 |  | 553,770 |  | 244,691
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 225,028 |  | 225,028 |  | 79,492
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 73,557 |  | 73,557 |  | 50,377
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 237,354 |  | 237,354 |  | 213,115
Financing Receivable, Revolving | 361 |  | 361 |  | 340
Financing Receivable, Revolving, Converted to Term Loan | 391 |  | 391 |  | 0
Gross loans | 1,752,401 |  | 1,752,401 |  | 1,700,266
Gross charge-offs for the nine months ended |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 18 |  |
Financing Receivable, Revolving, Writeoff |  |  | 0 |  |
Financing Receivable, Revolving, Converted to Term Loan, Writeoff |  |  | 0 |  |
Charge-offs |  |  | 18 |  |
Residential real estate | Pass [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 119,925 |  | 119,925 |  | 533,035
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 542,015 |  | 542,015 |  | 579,216
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 552,802 |  | 552,802 |  | 244,691
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 225,028 |  | 225,028 |  | 79,492
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 73,467 |  | 73,467 |  | 50,214
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 234,661 |  | 234,661 |  | 210,262
Financing Receivable, Revolving | 361 |  | 361 |  | 340
Financing Receivable, Revolving, Converted to Term Loan | 391 |  | 391 |  | 0
Gross loans | 1,748,650 |  | 1,748,650 |  | 1,697,250
Residential real estate | Special Mention [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |  | 0 |  | 23
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 0 |  | 0 |  | 23
Residential real estate | Substandard [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 968 |  | 968 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 90 |  | 90 |  | 163
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,693 |  | 2,693 |  | 2,830
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 3,751 |  | 3,751 |  | 2,993
Residential real estate | Doubtful |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 0 |  | 0 |  | 0
Home equity |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 12,311 |  | 12,311 |  | 26,712
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 23,740 |  | 23,740 |  | 693
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 553 |  | 553 |  | 341
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 329 |  | 329 |  | 4,842
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 4,197 |  | 4,197 |  | 7,730
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 13,456 |  | 13,456 |  | 8,578
Financing Receivable, Revolving | 165,390 |  | 165,390 |  | 173,715
Financing Receivable, Revolving, Converted to Term Loan | 13,476 |  | 13,476 |  | 11,817
Gross loans | 233,452 |  | 233,452 |  | 234,428
Gross charge-offs for the nine months ended |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Revolving, Writeoff |  |  | 0 |  |
Financing Receivable, Revolving, Converted to Term Loan, Writeoff |  |  | 0 |  |
Charge-offs |  |  | 0 |  |
Home equity | Performing Financial Instruments [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 12,311 |  | 12,311 |  | 26,712
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 23,740 |  | 23,740 |  | 693
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 553 |  | 553 |  | 341
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 329 |  | 329 |  | 4,842
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 4,197 |  | 4,197 |  | 7,730
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 13,442 |  | 13,442 |  | 8,551
Financing Receivable, Revolving | 165,017 |  | 165,017 |  | 173,338
Financing Receivable, Revolving, Converted to Term Loan | 13,230 |  | 13,230 |  | 11,735
Gross loans | 232,819 |  | 232,819 |  | 233,942
Home equity | Nonperforming Financial Instruments [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 14 |  | 14 |  | 27
Financing Receivable, Revolving | 373 |  | 373 |  | 377
Financing Receivable, Revolving, Converted to Term Loan | 246 |  | 246 |  | 82
Gross loans | 633 |  | 633 |  | 486
Consumer |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 4,720 |  | 4,720 |  | 8,009
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 5,671 |  | 5,671 |  | 3,816
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 2,393 |  | 2,393 |  | 1,702
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 986 |  | 986 |  | 1,188
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 454 |  | 454 |  | 345
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,467 |  | 2,467 |  | 2,462
Financing Receivable, Revolving | 2,550 |  | 2,550 |  | 3,069
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 19,241 |  | 19,241 |  | 20,591
Gross charge-offs for the nine months ended |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff |  |  | 0 |  |
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff |  |  | 19 |  |
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff |  |  | 21 |  |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff |  |  | 10 |  |
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff |  |  | 2 |  |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff |  |  | 4 |  |
Financing Receivable, Revolving, Writeoff |  |  | 7 |  |
Financing Receivable, Revolving, Converted to Term Loan, Writeoff |  |  | 0 |  |
Charge-offs |  |  | 63 |  |
Consumer | Performing Financial Instruments [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 4,720 |  | 4,720 |  | 8,009
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 5,671 |  | 5,671 |  | 3,816
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 2,393 |  | 2,393 |  | 1,702
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 986 |  | 986 |  | 1,188
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 447 |  | 447 |  | 345
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,433 |  | 2,433 |  | 2,462
Financing Receivable, Revolving | 2,550 |  | 2,550 |  | 3,069
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | 19,200 |  | 19,200 |  | 20,591
Consumer | Nonperforming Financial Instruments [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |  | 0 |  | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 7 |  | 7 |  | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 34 |  | 34 |  | 0
Financing Receivable, Revolving | 0 |  | 0 |  | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 |  | 0 |  | 0
Gross loans | $ 41 |  | $ 41 |  | $ 0

X
- References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffByOriginationYearAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoanWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=cac_CommercialRealEstatePortfolioSegmentNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=cac_CommercialRealEstatePortfolioSegmentOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=cac_HomeEquityPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |