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Summary of Significant Accounting Policies - Summary of Consideration Paid for Loan Portfolio and Amounts of Assets Purchased (Details) - USD ($) $ in Thousands | May 24, 2021 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Asset Acquisition [Line Items] |  |  |
Loans |  | $ 1,297,896 | $ 1,084,384
Accrued interest receivable |  | 4,579 | 3,985
Servicing assets |  | 12,720 | 7,360
Total assets |  | $ 1,726,691 | $ 1,366,826
Hana Small Business Lending Inc |  |  |
Asset Acquisition [Line Items] |  |  |
Cash | $ 97,631 |  |
Loans | 100,003 |  |
Loan discounts | (8,867) |  |
Accrued interest receivable | 398 |  |
Servicing assets | 6,097 |  |
Total assets | 97,631 |  |
Hana Small Business Lending Inc | SBA Loan Portfolio |  |  |
Asset Acquisition [Line Items] |  |  |
Loans | 92,200 |  |
Hana Small Business Lending Inc | SBA Loan Portfolio | PPP loans |  |  |
Asset Acquisition [Line Items] |  |  |
Loans | 6,900 |  |
Hana Small Business Lending Inc | Real Estate |  |  |
Asset Acquisition [Line Items] |  |  |
Loans | $ 919 |  |

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