XML 55 R35.htm IDEA: XBRL DOCUMENT
v3.24.3

Commitments and Contingencies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Commitments and Contingencies Disclosure [Abstract] |
Summary of Bank's Commitments and Contingent Liabilities | The following table presents a summary of the Bank’s commitments and contingent liabilities:
(in thousands) | September 30, 2024 |  | December 31, 2023
Financial instruments whose amounts represent risk: |  |  |
Commitments to extend credit: |  |  |
Commercial loans | $ | 889,617 |  |  | $ | 788,742 |
Consumer loans | 627,109 |  |  | 652,110 |
Real estate mortgage loans | 432,022 |  |  | 453,647 |
Real estate construction loans | 266,126 |  |  | 331,178 |
Standby letters of credit | 51,691 |  |  | 38,449 |
Deposit account overdraft privilege | 127,285 |  |  | 121,539 |

X
- Definition Summary of the banks commitments and contingent liabilities. + References No definition available. + Details
Name: | tcbk_SummaryOfBanksCommitmentsAndContingentLiabilitiesTableTextBlock
Namespace Prefix: | tcbk_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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