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Summary of Significant Accounting Policies - Future Amortization Expense of Core Deposits (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill and intangible asset impairment | $ 0 | $ 0 | $ 0
Core deposit intangible |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful life of core deposit intangible asset | 10 years |  |
2023 | $ 1,350,000 |  |
2024 | 975,000 |  |
2025 | 875,000 |  |
2026 | 773,000 |  |
2027 | 634,000 |  |
Thereafter | 509,000 |  |
Total | $ 5,116,000 |  |

X
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- Definition Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth 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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