BUSINESS COMBINATION - Amount of Expenses Related to Merger (Details) - Mechanics Bank Acquisition - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Business Combination [Line Items] | ||||
| Expenses related to the Merger | $ 5,923 | $ 5,639 | $ 10,717 | $ 5,989 |
| Severance and employee related | ||||
| Business Combination [Line Items] | ||||
| Expenses related to the Merger | 3,922 | 0 | 5,550 | 0 |
| Legal and professional | ||||
| Business Combination [Line Items] | ||||
| Expenses related to the Merger | 1,150 | 5,386 | 4,015 | 5,736 |
| System conversion, integration and other | ||||
| Business Combination [Line Items] | ||||
| Expenses related to the Merger | $ 851 | $ 253 | $ 1,152 | $ 253 |
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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