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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | $ 4,456 |  | $ 4,456 |  | $ 4,096
Accumulated amortization | [1] | (2,779) |  | (2,779) |  | (2,428)
Net carrying value | [1] | 1,677 |  | 1,677 |  | 1,668
Unamortized intangible assets [Abstract] |  |  |  |  |  |
Goodwill | [1] | 31,376 |  | 31,376 |  | 31,376
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 114 | $ 103 | 351 | $ 306 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2021 |  | 126 |  | 126 |  |
2022 |  | 445 |  | 445 |  |
2023 |  | 351 |  | 351 |  |
2024 |  | 266 |  | 266 |  |
2025 |  | 187 |  | 187 |  |
Thereafter |  | 302 |  | 302 |  |
Mortgage Servicing Rights (MSRs) [Member] |  |  |  |  |  |
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | 2,513 |  | 2,513 |  | 2,153
Accumulated amortization | [1] | (1,335) |  | (1,335) |  | (1,131)
Net carrying value | [1] | 1,178 |  | 1,178 |  | 1,022
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 65 | 46 | 204 | 144 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2021 |  | 81 |  | 81 |  |
2022 |  | 289 |  | 289 |  |
2023 |  | 230 |  | 230 |  |
2024 |  | 181 |  | 181 |  |
2025 |  | 137 |  | 137 |  |
Thereafter |  | 260 |  | 260 |  |
Core Deposit Intangibles [Member] |  |  |  |  |  |
Amortized intangible assets [Abstract] |  |  |  |  |  |
Gross carrying value | [1] | 1,943 |  | 1,943 |  | 1,943
Accumulated amortization | [1] | (1,444) |  | (1,444) |  | (1,297)
Net carrying value | [1] | 499 |  | 499 |  | $ 646
Actual and Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
Amortization expense |  | 49 | $ 57 | 147 | $ 162 |
Estimated Amortization Expense [Abstract] |  |  |  |  |  |
Remaining 2021 |  | 45 |  | 45 |  |
2022 |  | 156 |  | 156 |  |
2023 |  | 121 |  | 121 |  |
2024 |  | 85 |  | 85 |  |
2025 |  | 50 |  | 50 |  |
Thereafter |  | $ 42 |  | $ 42 |  |
[1] | Excludes fully amortized intangible assets

X
- Definition Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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