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Business Combinations - Additional Information (Details) $ in Thousands |  | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 01, 2020 USD ($) lease_obligation branch shares | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2021 USD ($) | Jan. 01, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Total assets |  |  | $ 5,514,544 | $ 5,430,542 |
Net loans held-for-investment |  |  | 3,785,631 | 3,767,644 |
Deposits |  |  | 4,076,551 | 4,169,334 |
Operating lease right-of-use assets |  |  | 36,741 | 33,943 | $ 43,600
Operating lease liabilities |  |  | 42,734 | $ 39,851 | $ 47,300
Victory |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total assets | $ 402,800 |  |  |  |
Net loans held-for-investment | 180,400 |  |  |  |
Deposits | $ 354,600 |  |  |  |
Number of branches | branch | 6 |  |  |  |
Victory |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock exchange rate (shares) | shares | 2.0463 |  |  |  |
Merger-related expenses |  |  | $ 4,300 |  |
Adjustment to the carrying value of goodwill |  | $ 304 |  |  |
Adjustment to deferred tax assets |  | $ 304 |  |  |
Number of lease obligations | lease_obligation | 5 |  |  |  |
Operating lease right-of-use assets | $ 2,500 |  |  |  |
Operating lease liabilities | $ 2,500 |  |  |  |

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