Goodwill and Core Deposit Intangibles - Schedule of Intangible Assets and Goodwill (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Goodwill, Beginning balance | $ 53,101 | $ 53,101 | |
| Acquired in acquisition | 29,000 | 0 | |
| Goodwill, Ending balance | 82,101 | 53,101 | $ 53,101 |
| Beginning Balance | 14,969 | ||
| Amortization | (4,503) | (4,289) | (3,374) |
| Ending Balance | 21,634 | 14,969 | |
| Core Deposits [Member] | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Beginning Balance | 14,969 | 7,222 | |
| Acquired in acquisition | 11,168 | 12,036 | |
| Amortization | (4,503) | (4,289) | |
| Ending Balance | $ 21,634 | $ 14,969 | $ 7,222 |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|