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Revenue Recognition-Schedule of Noninterest Income Disaggregated by Major Source (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
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income |  |  |  |  |  |  |  |  |  | $ 0 | $ 3
(Loss) on the sale and disposal of bank premises and equipment | [1] |  |  |  |  |  |  |  |  | 14 | (11)
Gain on the sale of marine finance assets |  |  |  |  |  |  |  |  |  | 435 | 0
(Loss) on sale of securities |  |  |  |  |  |  |  |  |  | 0 | (737)
Gain on sale of loans |  |  |  |  |  |  |  |  |  | 1,428 | 1,875
Bank owned life insurance income |  |  |  |  |  |  |  |  |  | 713 | 626
Other operating income | [2] |  |  |  |  |  |  |  |  | 1,006 | 1,882
Total noninterest income |  | $ 3,653 | $ 4,209 | $ 3,357 | $ 3,526 | $ 3,089 | $ 3,164 | $ 3,849 | $ 3,243 | 14,745 | 13,345
Trust asset management fees |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [1] |  |  |  |  |  |  |  |  | 3,871 | 3,095
Overdrawn account fees |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [1] |  |  |  |  |  |  |  |  | 1,399 | 1,194
Monthly and other service charges |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [1] |  |  |  |  |  |  |  |  | 411 | 424
Interchange fees |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [1] |  |  |  |  |  |  |  |  | 449 | 366
ATM fees |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [1] |  |  |  |  |  |  |  |  | 3,392 | 3,103
Brokerage commissions |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [1] |  |  |  |  |  |  |  |  | 1,055 | 1,054
Other charges and fees |  |  |  |  |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noninterest income | [3] |  |  |  |  |  |  |  |  | $ 572 | $ 471
[1] | Income within the scope of Topic 606.
[2] | Includes income within the scope of Topic 606 of $778 thousand and $1.2 million for the years ended December 31, 2023 and 2022, respectively. The remaining balance is outside the scope of Topic 606.
[3] | Includes income within the scope of Topic 606 of $327 thousand and $309 thousand for the years ended December 31, 2023 and 2022, respectively. The remaining balance is outside the scope of Topic 606.

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