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Loans and Allowance for Credit Losses - Schedule of Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating and Performance Status (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year $ 153,616   $ 153,616   $ 252,168
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 260,491   260,491   300,562
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 277,308   277,308   233,941
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 215,722   215,722   113,922
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 103,641   103,641   109,765
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 516,235   516,235   479,125
Financing Receivable, Revolving 151,075   151,075   140,217
Loans 1,678,088   1,678,088   1,629,700
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff     0   48
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff     0   83
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff     9   42
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff     0   55
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff     0   23
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff     7   188
Financing Receivable, Revolving, Writeoff     147   67
Financing Receivable, Allowance for Credit Loss, Writeoff 51 $ 190 163 $ 389 506
Pass          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 134,503   134,503   207,689
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 212,209   212,209   244,495
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 225,629   225,629   210,808
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 194,243   194,243   92,450
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 83,589   83,589   90,270
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 378,860   378,860   334,815
Financing Receivable, Revolving 65,415   65,415   52,423
Loans 1,294,448   1,294,448   1,232,950
Special Mention          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 660   660   2,643
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 4,000   4,000   7,235
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 5,629   5,629   6,803
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 6,676   6,676   2,922
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 3,123   3,123   9,188
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 19,832   19,832   19,885
Financing Receivable, Revolving 5,336   5,336   4,797
Loans 45,256   45,256   53,473
Substandard          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   7
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 536   536   135
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 2,249   2,249   499
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 354   354   1,621
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,512   1,512   713
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 8,257   8,257   8,770
Financing Receivable, Revolving 3,045   3,045   2,272
Loans 15,953   15,953   14,017
Performing Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 18,453   18,453   41,829
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 43,746   43,746   48,697
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 43,801   43,801   15,831
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 14,449   14,449   16,929
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 15,417   15,417   9,594
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 108,899   108,899   114,715
Financing Receivable, Revolving 77,279   77,279   80,160
Loans 322,044   322,044   327,755
Nonperforming Loans          
Accounts, Notes, Loans and Financing Receivable [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 387   387   940
Financing Receivable, Revolving 0   0   565
Loans 387   387   1,505
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans 957,904   957,904   898,709
Financing Receivable, Allowance for Credit Loss, Writeoff 0 0 0 0  
Commercial real estate | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 97,914   97,914   138,085
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 137,136   137,136   159,152
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 171,521   171,521   136,914
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 129,800   129,800   64,352
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 60,320   60,320   74,782
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 341,396   341,396   309,794
Financing Receivable, Revolving 19,817   19,817   15,630
Loans 957,904   957,904   898,709
Commercial real estate | Pass | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 97,426   97,426   136,158
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 134,288   134,288   152,767
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 164,910   164,910   130,994
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 123,922   123,922   60,918
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 56,029   56,029   65,856
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 318,720   318,720   287,026
Financing Receivable, Revolving 18,020   18,020   13,636
Loans 913,315   913,315   847,355
Commercial real estate | Special Mention | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 488   488   1,927
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 2,848   2,848   6,385
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 4,830   4,830   5,920
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 5,878   5,878   1,904
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2,795   2,795   8,222
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 15,505   15,505   16,244
Financing Receivable, Revolving 1,797   1,797   1,994
Loans 34,141   34,141   42,596
Commercial real estate | Substandard | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [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 1,781   1,781   0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0   0   1,530
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 1,496   1,496   704
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 7,171   7,171   6,524
Financing Receivable, Revolving 0   0   0
Loans 10,448   10,448   8,758
Residential mortgage          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans 397,994   397,994   394,189
Financing Receivable, Allowance for Credit Loss, Writeoff 0 0 0 0  
Residential mortgage | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 18,113   18,113   39,734
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 38,296   38,296   27,694
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 23,953   23,953   41,624
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 39,484   39,484   15,155
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 13,989   13,989   11,318
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 36,391   36,391   29,949
Financing Receivable, Revolving 513   513   464
Loans 170,739   170,739   165,938
Residential mortgage | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 12,390   12,390   33,884
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 40,244   40,244   45,221
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 41,284   41,284   14,878
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 13,732   13,732   16,184
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 14,879   14,879   9,059
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 104,654   104,654   108,869
Financing Receivable, Revolving 72   72   156
Loans 227,255   227,255   228,251
Residential mortgage | Pass | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 18,113   18,113   39,146
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 37,415   37,415   27,612
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 23,683   23,683   41,031
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 38,909   38,909   14,758
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 13,743   13,743   10,492
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 33,124   33,124   27,274
Financing Receivable, Revolving 419   419   402
Loans 165,406   165,406   160,715
Residential mortgage | Special Mention | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   588
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 881   881   82
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 270   270   593
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 575   575   397
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 246   246   826
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 3,199   3,199   2,457
Financing Receivable, Revolving 94   94   62
Loans 5,265   5,265   5,005
Residential mortgage | Substandard | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [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 68   68   218
Financing Receivable, Revolving 0   0   0
Loans 68   68   218
Residential mortgage | Performing Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 12,390   12,390   33,884
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 40,244   40,244   45,221
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 41,284   41,284   14,878
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 13,732   13,732   16,184
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 14,879   14,879   9,059
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 104,279   104,279   108,021
Financing Receivable, Revolving 72   72   156
Loans 226,880   226,880   227,403
Residential mortgage | Nonperforming Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [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 375   375   848
Financing Receivable, Revolving 0   0   0
Loans 375   375   848
Commercial and industrial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans 152,148   152,148   152,344
Financing Receivable, Allowance for Credit Loss, Writeoff 0 81 0 110  
Commercial and industrial | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 9,151   9,151   12,454
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 11,727   11,727   24,697
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 21,261   21,261   35,619
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 30,769   30,769   16,234
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 13,609   13,609   14,071
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 26,873   26,873   19,836
Financing Receivable, Revolving 38,758   38,758   29,433
Loans 152,148   152,148   152,344
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff         0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff         0
Financing Receivable, 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, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff         0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff         110
Financing Receivable, Revolving, Writeoff         0
Financing Receivable, Allowance for Credit Loss, Writeoff         110
Commercial and industrial | Pass | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 8,979   8,979   12,319
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 11,038   11,038   24,259
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 20,545   20,545   34,830
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 30,192   30,192   15,614
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 13,511   13,511   13,922
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 25,644   25,644   17,780
Financing Receivable, Revolving 33,010   33,010   25,147
Loans 142,919   142,919   143,871
Commercial and industrial | Special Mention | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 172   172   128
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 153   153   303
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 248   248   290
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 223   223   529
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 82   82   140
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 449   449   459
Financing Receivable, Revolving 2,703   2,703   2,014
Loans 4,030   4,030   3,863
Commercial and industrial | Substandard | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   7
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 536   536   135
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 468   468   499
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 354   354   91
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 16   16   9
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 780   780   1,597
Financing Receivable, Revolving 3,045   3,045   2,272
Loans 5,199   5,199   4,610
Home equity lines of credit          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans 84,316   84,316   90,163
Financing Receivable, Allowance for Credit Loss, Writeoff 0 0 0 0  
Home equity lines of credit | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   300
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 296   296   99
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 94   94   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 455   455   493
Financing Receivable, Revolving 5,923   5,923   5,962
Loans 6,768   6,768   6,854
Home equity lines of credit | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   23
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 19   19   38
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 35   35   0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0   0   13
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 12   12   94
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,809   2,809   4,834
Financing Receivable, Revolving 74,673   74,673   78,307
Loans 77,548   77,548   83,309
Home equity lines of credit | Pass | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   300
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 296   296   99
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 94   94   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 281   281   131
Financing Receivable, Revolving 5,227   5,227   5,235
Loans 5,898   5,898   5,765
Home equity lines of credit | Special Mention | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [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 696   696   727
Loans 696   696   727
Home equity lines of credit | Substandard | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [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 174   174   362
Financing Receivable, Revolving 0   0   0
Loans 174   174   362
Home equity lines of credit | Performing Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   23
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 19   19   38
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 35   35   0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0   0   13
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 12   12   94
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 2,809   2,809   4,742
Financing Receivable, Revolving 74,673   74,673   77,745
Loans 77,548   77,548   82,655
Home equity lines of credit | Nonperforming Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year         0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year         0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year         0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year         0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year         0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year         92
Financing Receivable, Revolving         562
Loans         654
Real estate construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans 75,953   75,953   84,341
Financing Receivable, Allowance for Credit Loss, Writeoff 0 0 0 0  
Real estate construction | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 9,985   9,985   19,766
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 29,290   29,290   40,223
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 16,678   16,678   3,953
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 1,220   1,220   1,252
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 306   306   0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,834   1,834   3,398
Financing Receivable, Revolving 8,785   8,785   8,003
Loans 68,098   68,098   76,595
Real estate construction | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 4,240   4,240   5,571
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,773   1,773   753
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 565   565   175
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 165   165   210
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 193   193   170
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 919   919   867
Financing Receivable, Revolving 0   0   0
Loans 7,855   7,855   7,746
Real estate construction | Pass | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 9,985   9,985   19,766
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 29,172   29,172   39,758
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 16,397   16,397   3,953
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 1,220   1,220   1,160
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 306   306   0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,091   1,091   2,604
Financing Receivable, Revolving 8,739   8,739   8,003
Loans 66,910   66,910   75,244
Real estate construction | Special Mention | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0   0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 118   118   465
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 281   281   0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0   0   92
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 679   679   725
Financing Receivable, Revolving 46   46   0
Loans 1,124   1,124   1,282
Real estate construction | Substandard | Internally Risk Rated          
Accounts, Notes, Loans and Financing Receivable [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 64   64   69
Financing Receivable, Revolving 0   0   0
Loans 64   64   69
Real estate construction | Performing Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 4,240   4,240   5,571
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,773   1,773   753
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 565   565   175
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 165   165   210
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 193   193   170
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 907   907   867
Financing Receivable, Revolving 0   0   0
Loans 7,843   7,843   7,746
Real estate construction | Nonperforming Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 0   0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0   0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0   0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0   0    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0   0    
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 12   12    
Financing Receivable, Revolving 0   0    
Loans 12   12    
Consumer          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans 9,773   9,773   9,954
Financing Receivable, Allowance for Credit Loss, Writeoff 51 $ 109 163 $ 279  
Consumer | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 1,823   1,823   2,351
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,710   1,710   2,685
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,917   1,917   778
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 552   552   522
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 333   333   271
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 904   904   1,085
Financing Receivable, Revolving 2,534   2,534   2,262
Loans 9,773   9,773   9,954
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff     0   48
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff     0   83
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff     9   42
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff     0   55
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff     0   23
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff     7   78
Financing Receivable, Revolving, Writeoff     147   67
Financing Receivable, Allowance for Credit Loss, Writeoff     163   396
Consumer | Performing Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year 1,823   1,823   2,351
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,710   1,710   2,685
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 1,917   1,917   778
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 552   552   522
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 333   333   271
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 904   904   1,085
Financing Receivable, Revolving 2,534   2,534   2,259
Loans $ 9,773   $ 9,773   9,951
Consumer | Nonperforming Loans | Performance Rated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Year One, Originated, Current Fiscal Year         0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year         0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year         0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year         0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year         0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year         0
Financing Receivable, Revolving         3
Loans         $ 3