Fair Value Measurements and Disclosure - Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
AFS Securities:
Total AFS securities	$ 184,641	$ 207,545
Marketable equity securities	3,216	3,315
U.S. Government agencies
AFS Securities:
Total AFS securities	6,396	8,231
U.S. Government collateralized mortgage obligations
AFS Securities:
Total AFS securities	86,205	97,218
Municipal bonds
AFS Securities:
Total AFS securities	40,027	40,170
U.S. Treasury securities
AFS Securities:
Total AFS securities	19,757	29,224
Corporate bonds
AFS Securities:
Total AFS securities	32,256	32,702
Quoted Prices in Active Markets for Identical Assets (Level 1)
Liabilities:
Junior subordinated debt	0	0
Significant Other Observable Inputs (Level 2)
Liabilities:
Junior subordinated debt	0	0
Significant Unobservable Inputs (Level 3)
Liabilities:
Junior subordinated debt	10,966	10,883
Fair value, measurements, recurring
AFS Securities:
Marketable equity securities	3,216
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
AFS Securities:
Total AFS securities	0	0
Marketable equity securities	3,216	3,315
Total	3,216	3,315
Liabilities:
Junior subordinated debt	0	0
Total	0	0
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government agencies
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government collateralized mortgage obligations
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury securities
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2)
AFS Securities:
Total AFS securities	184,641	207,545
Marketable equity securities	0	0
Total	184,641	207,545
Liabilities:
Junior subordinated debt	0	0
Total	0	0
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | U.S. Government agencies
AFS Securities:
Total AFS securities	6,396	8,231
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | U.S. Government collateralized mortgage obligations
AFS Securities:
Total AFS securities	86,205	97,218
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | Municipal bonds
AFS Securities:
Total AFS securities	40,027	40,170
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | U.S. Treasury securities
AFS Securities:
Total AFS securities	19,757	29,224
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | Corporate bonds
AFS Securities:
Total AFS securities	32,256	32,702
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3)
AFS Securities:
Total AFS securities	0	0
Marketable equity securities	0	0
Total	0	0
Liabilities:
Junior subordinated debt	10,966	10,883
Total	10,966	10,883
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | U.S. Government agencies
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | U.S. Government collateralized mortgage obligations
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | Municipal bonds
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | U.S. Treasury securities
AFS Securities:
Total AFS securities	0	0
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | Corporate bonds
AFS Securities:
Total AFS securities	$ 0	$ 0