XML 69 R53.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Other Borrowings (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Debt Disclosure [Abstract] |
Summary of Balances of Other Borrowings | A summary of the balances of other borrowings follows:
| December 31,
(in thousands) | 2024 |  | 2023
Term borrowing at FHLB, fixed rate of 5.23%, payable on April 8, 2025 | 75,000 |  |  | — |
Term borrowing at FHLB, fixed rate of 4.75%, payable on April 8, 2024 | — |  |  | 200,000 |
Overnight borrowing at FHLB, fixed rate of 5.70%, payable on January 2, 2024 | — |  |  | 400,000 |
Other collateralized borrowings, fixed rate, as of December 31, 2024 and 2023 of 0.05%, payable on January 2, 2025 and January 2, 2024, respectively | 14,610 |  |  | 32,582 |
Total other borrowings | $ | 89,610 |  |  | $ | 632,582 |

X
- Definition Summary of other borrowings. + References No definition available. + Details
Name: | tcbk_SummaryOfOtherBorrowingsTableTextBlock
Namespace Prefix: | tcbk_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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