XML 118 R103.htm IDEA: XBRL DOCUMENT v3.24.0.1
Other Comprehensive Income (Loss) - Summary of Transfer of AFS Securities to HTM (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Balance at beginning of year $ 226,665 $ 232,003 $ 228,461 $ 228,923 $ 219,917 $ 227,685 $ 233,646 $ 245,657 $ 228,923 $ 245,657 $ 223,726
Other comprehensive income (loss) 13,199 (9,340) (371) 1,449 3,158 (14,506) (12,583) (18,334) 4,937 (42,265) (1,672)
Balance at end of year 243,079 $ 226,665 $ 232,003 228,461 228,923 $ 219,917 $ 227,685 233,646 243,079 228,923 245,657
Accumulated Net Gain (Loss) on Securities Transferred from Available-for-Sale to Held-to-Maturity                      
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Balance at beginning of year       $ (64)       $ (87) (64) (87) (133)
Amortization of net unrealized gains                 10 29 58
Related deferred taxes                 (2) (6) (12)
Other comprehensive income (loss)                 8 23 46
Balance at end of year $ (56)       $ (64)       $ (56) $ (64) $ (87)