Junior Subordinated Debt (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Subordinated Borrowing [Line Items] | ||
| Recorded Book Value | $ 41,238 | $ 41,238 |
| Subordinated debt | ||
| Subordinated Borrowing [Line Items] | ||
| Face Value | 41,238 | |
| Recorded Book Value | 41,238 | 41,238 |
| TriCo Cap Trust I | Subordinated debt | ||
| Subordinated Borrowing [Line Items] | ||
| Face Value | $ 20,619 | |
| Coupon Rate (Variable) 3 mo. SOFR + | 3.05% | |
| Current Coupon Rate | 6.98% | |
| Recorded Book Value | $ 20,619 | 20,619 |
| TriCo Cap Trust II | Subordinated debt | ||
| Subordinated Borrowing [Line Items] | ||
| Face Value | $ 20,619 | |
| Coupon Rate (Variable) 3 mo. SOFR + | 2.55% | |
| Current Coupon Rate | 6.48% | |
| Recorded Book Value | $ 20,619 | $ 20,619 |
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- Definition Preferred securities redeemable interest rate. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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