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Business Combinations (Details) | Dec. 31, 2020 USD ($) company | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | --- | ---
Number of business banking franchises acquired | company | 4 |  |
Combined business value after business combination | $ 4,000,000,000 |  |
Goodwill recorded in the merger | 167,631,000 | $ 167,420,000 | $ 83,753,000
Tri Valley Bank |  |  |
Goodwill recorded in the merger | 13,819,000 |  |
United American Bank |  |  |
Goodwill recorded in the merger | 24,271,000 |  |
Presidio bank |  |  |
Goodwill recorded in the merger | $ 83,878,000 |  |

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