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Other Comprehensive Income (Loss) - Summary of Transfer of AFS Securities to HTM (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]      
Balance at beginning of year $ 245,657 $ 223,726 $ 212,508
Balance at end of year 228,923 245,657 223,726
Accumulated Net Gain (Loss) on Securities Transferred from Available-for-Sale to Held-to-Maturity      
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]      
Balance at beginning of year (87) (133) (182)
Amortization of net unrealized gains 29 58 62
Related deferred taxes (6) (12) (13)
Net change 23 46 49
Balance at end of year $ (64) $ (87) $ (133)