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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | $ 3,749 |  | $ 3,749 |  | $ 3,636
Accumulated amortization | [1] | (2,349) |  | (2,349) |  | (2,013)
Net carrying value | [1] | 1,400 |  | 1,400 |  | 1,623
Unamortized intangible assets [Abstract] |  |  |  |  |  |
Goodwill |  | 23,296 |  | 23,296 |  | 23,296
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 110 | $ 120 | 336 | $ 367 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2019 |  | 109 |  | 109 |  |
2020 |  | 364 |  | 364 |  |
2021 |  | 296 |  | 296 |  |
2022 |  | 233 |  | 233 |  |
2023 |  | 173 |  | 173 |  |
MSRs [Member] |  |  |  |  |  |
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | 1,838 |  | 1,838 |  | 1,725
Accumulated amortization | [1] | (1,204) |  | (1,204) |  | (1,066)
Net carrying value | [1] | 634 |  | 634 |  | 659
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 44 | 46 | 138 | 143 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2019 |  | 48 |  | 48 |  |
2020 |  | 167 |  | 167 |  |
2021 |  | 131 |  | 131 |  |
2022 |  | 100 |  | 100 |  |
2023 |  | 73 |  | 73 |  |
Core Deposit Intangibles [Member] |  |  |  |  |  |
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | 1,786 |  | 1,786 |  | 1,786
Accumulated amortization | [1] | (1,025) |  | (1,025) |  | (851)
Net carrying value | [1] | 761 |  | 761 |  | 935
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 58 | 66 | 174 | 200 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2019 |  | 56 |  | 56 |  |
2020 |  | 197 |  | 197 |  |
2021 |  | 165 |  | 165 |  |
2022 |  | 133 |  | 133 |  |
2023 |  | 100 |  | 100 |  |
Covenant not to Compete [Member] |  |  |  |  |  |
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | 125 |  | 125 |  | 125
Accumulated amortization | [1] | (120) |  | (120) |  | (96)
Net carrying value | [1] | 5 |  | 5 |  | $ 29
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 8 | $ 8 | 24 | $ 24 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2019 |  | 5 |  | 5 |  |
2020 |  | 0 |  | 0 |  |
2021 |  | 0 |  | 0 |  |
2022 |  | 0 |  | 0 |  |
2023 |  | $ 0 |  | $ 0 |  |
[1] | Excludes fully amortized intangible assets.

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