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Summary of Significant Accounting Policies - Future Amortization Expense of Core Deposits (Details) - Core deposit intangible
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Finite-Lived Intangible Assets [Line Items]  
Useful life of core deposit intangible asset 10 years
2022 $ 1,489
2023 1,350
2024 975
2025 875
2026 773
Thereafter 1,143
Total $ 6,605