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Non-interest Income and Expense - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Other Income and Expenses [Abstract] |  |  |
Mortgage loan servicing fees, net of change in fair value of mortgage loan servicing rights | $ 2,188 | $ 1,009 | $ 779

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- Definition Change in fair value of mortgage loan servicing rights. + References No definition available. + Details
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Namespace Prefix: | tcbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_OtherIncomeAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration