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Loans and Allowance for Credit Losses - Schedule of Portfolio Quality Indicators (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Total gross loans      
Total $ 496,866   $ 490,971
Current period gross charge-offs      
Total 34 $ 57  
Commercial and Industrial      
Total gross loans      
Year 1 17,889   42,028
Year 2 40,466   48,851
Year 3 49,349   44,800
Year 4 43,328   45,194
Year 5 43,634   41,560
Prior 122,243   84,556
Revolving Loans Amortized Cost Basis 79,155   83,479
Total 396,064   390,468
Current period gross charge-offs      
Current period gross charge-offs, year 1     144
Current period gross charge-offs, year 2     72
Prior     17
Total     233
Commercial and Industrial | Performing      
Total gross loans      
Year 1     14,099
Year 2     11,896
Year 3     17,710
Year 4     15,523
Year 5     17,676
Prior     22,900
Revolving Loans Amortized Cost Basis     376
Total     100,180
Commercial and Industrial | Nonperforming      
Total gross loans      
Year 2     22
Year 4     17
Year 5     15
Prior     269
Total     323
Commercial and Industrial      
Total gross loans      
Year 1 6,512   22,474
Year 2 21,013   17,993
Year 3 17,048   11,513
Year 4 10,666   8,082
Year 5 7,088   10,099
Prior 18,611   8,480
Revolving Loans Amortized Cost Basis 18,633   20,154
Total 99,571   98,795
Current period gross charge-offs      
Current period gross charge-offs, year 2     127
Total     127
Commercial Real Estate      
Total gross loans      
Year 1 11,377   19,554
Year 2 19,453   30,858
Year 3 32,301   33,287
Year 4 32,662   37,112
Year 5 36,546   31,461
Prior 103,632   76,076
Revolving Loans Amortized Cost Basis 60,522   63,325
Total 296,493   291,673
Current period gross charge-offs      
Current period gross charge-offs, year 2     127
Total     127
Installment      
Current period gross charge-offs      
Total 34 $ 57  
Residential Real Estate and Consumer, Total      
Total gross loans      
Year 1 2,632   14,099
Year 2 13,509   11,918
Year 3 11,456   17,710
Year 4 17,470   15,540
Year 5 15,167   17,691
Prior 39,993   23,169
Revolving Loans Amortized Cost Basis 375   376
Total 100,602   100,503
Residential Real Estate and Consumer, Total | Performing      
Total gross loans      
Year 1 2,632    
Year 2 13,509    
Year 3 11,433    
Year 4 17,470    
Year 5 15,151    
Prior 39,752    
Revolving Loans Amortized Cost Basis 375    
Total 100,322    
Residential Real Estate and Consumer, Total | Nonperforming      
Total gross loans      
Year 3 23    
Year 5 16    
Prior 241    
Total 280    
Residential      
Total gross loans      
Year 1 2,414   9,480
Year 2 9,410   10,491
Year 3 10,255   16,912
Year 4 16,772   15,191
Year 5 14,862   17,401
Prior 38,996   22,262
Total 92,709   91,737
Current period gross charge-offs      
Prior     17
Total     17
Residential | Performing      
Total gross loans      
Year 1 2,414   9,480
Year 2 9,410   10,469
Year 3 10,234   16,912
Year 4 16,772   15,174
Year 5 14,846   17,401
Prior 38,769   21,993
Total 92,445   91,429
Residential | Nonperforming      
Total gross loans      
Year 2     22
Year 3 21    
Year 4     17
Year 5 16    
Prior 227   269
Total 264   308
Consumer      
Total gross loans      
Year 1 418   4,619
Year 2 4,099   1,427
Year 3 1,201   798
Year 4 698   349
Year 5 305   290
Prior 997   907
Revolving Loans Amortized Cost Basis 375   376
Total 8,093   8,766
Current period gross charge-offs      
Current period gross charge-offs, year 1 34   144
Current period gross charge-offs, year 2     72
Total 34   216
Consumer | Performing      
Total gross loans      
Year 1 418   4,619
Year 2 4,099   1,427
Year 3 1,199   798
Year 4 698   349
Year 5 305   275
Prior 980   907
Revolving Loans Amortized Cost Basis 375   376
Total 8,074   8,751
Consumer | Nonperforming      
Total gross loans      
Year 3 2    
Year 5     15
Prior 17    
Total 19   15
Pass | Commercial and Industrial      
Total gross loans      
Year 1 17,889   42,028
Year 2 40,466   48,851
Year 3 49,308   44,459
Year 4 42,987   44,952
Year 5 43,257   41,560
Prior 114,311   76,574
Revolving Loans Amortized Cost Basis 71,671   76,164
Total 379,889   374,588
Pass | Commercial and Industrial      
Total gross loans      
Year 1 6,512   22,474
Year 2 21,013   17,993
Year 3 17,007   11,487
Year 4 10,640   8,082
Year 5 7,088   10,099
Prior 18,425   8,295
Revolving Loans Amortized Cost Basis 17,491   19,068
Total 98,176   97,498
Pass | Commercial Real Estate      
Total gross loans      
Year 1 11,377   19,554
Year 2 19,453   30,858
Year 3 32,301   32,972
Year 4 32,347   36,870
Year 5 36,169   31,461
Prior 95,886   68,279
Revolving Loans Amortized Cost Basis 54,180   57,096
Total 281,713   277,090
Special Mention | Commercial and Industrial      
Total gross loans      
Year 3     341
Year 4 315   242
Prior 6,654   7,966
Revolving Loans Amortized Cost Basis 7,414   7,315
Total 14,383   15,864
Special Mention | Commercial and Industrial      
Total gross loans      
Year 3     26
Prior     185
Revolving Loans Amortized Cost Basis 1,072   1,086
Total 1,072   1,297
Special Mention | Commercial Real Estate      
Total gross loans      
Year 3     315
Year 4 315   242
Prior 6,654   7,781
Revolving Loans Amortized Cost Basis 6,342   6,229
Total 13,311   14,567
Substandard | Commercial and Industrial      
Total gross loans      
Year 3 41    
Year 4 26    
Year 5 377    
Prior 1,278   16
Revolving Loans Amortized Cost Basis 70    
Total 1,792   16
Substandard | Commercial and Industrial      
Total gross loans      
Year 3 41    
Year 4 26    
Prior 186    
Revolving Loans Amortized Cost Basis 70    
Total 323    
Substandard | Commercial Real Estate      
Total gross loans      
Year 5 377    
Prior 1,092   16
Total $ 1,469   $ 16