XML 69 R57.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Leases - Additional Information (Detail) | 3 Months Ended
--- | ---
Mar. 31, 2024 renewalOption
Leases [Abstract] |
Number of lease renewal options (in renewal options) | 1

X
- Definition Lessee, Operating Lease, Number of Renewal Term Options + References No definition available. + Details
Name: | tcbk_LesseeOperatingLeaseNumberOfRenewalTermOptions
Namespace Prefix: | tcbk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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