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Summary of Significant Accounting Policies - Schedule of Illustrates the Impact of Adoption (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Assets: |  |  |
Allowance for loan/credit losses on loans | $ 960,567 | $ 891,676 | $ 10,556
Deferred tax asset |  |  | 2,298
Liabilities: |  |  |
Reserve for unfunded commitments |  |  | 0
Shareholders’ equity: |  |  |
Retained earnings | $ 112,220 | 99,062 | 90,341
Impact of ASU 2016-13 Adoption |  |  |
Assets: |  |  |
Allowance for loan/credit losses on loans |  | 723 | 723
Deferred tax asset |  |  | 269
Liabilities: |  |  |
Reserve for unfunded commitments |  | 402 | 402
Shareholders’ equity: |  |  |
Retained earnings |  | $ 856 | (856)
As Reported Under ASU 2016-13 |  |  |
Assets: |  |  |
Allowance for loan/credit losses on loans |  |  | 11,279
Deferred tax asset |  |  | 2,567
Liabilities: |  |  |
Reserve for unfunded commitments |  |  | 402
Shareholders’ equity: |  |  |
Retained earnings |  |  | $ 89,485

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