Income Taxes - Differences Between Tax Basis of Assets and Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Deferred tax assets: | ||
| Allowance for credit losses | $ 80,249 | $ 80,486 |
| Deferred compensation | 3,900 | 7,048 |
| Stock compensation | 2,345 | 3,671 |
| Non-accrual interest income | 1,479 | 1,388 |
| Real estate owned | 310 | 310 |
| Unrealized loss on investment securities, available-for-sale | 55,461 | 51,026 |
| Loan discounts | 1,871 | 2,110 |
| Investments | 22,208 | 22,619 |
| Other | 11,799 | 12,882 |
| Gross deferred tax assets | 179,622 | 181,540 |
| Deferred tax liabilities: | ||
| Accelerated depreciation on premises and equipment | 4,563 | 2,521 |
| Tax basis on acquisitions | 11,308 | 10,645 |
| Core deposit intangible | 6,777 | 7,217 |
| FHLB dividends | 1,935 | 2,003 |
| Other | 11,052 | 11,132 |
| Gross deferred tax liabilities | 35,635 | 33,518 |
| Net deferred tax assets | $ 143,987 | $ 148,022 |
| X | ||||||||||
- Definition Deferred tax assets loan discount. No definition available.
|
| X | ||||||||||
- Definition Amount of Deferred Tax Assets Non Accrual Interest Income. No definition available.
|
| X | ||||||||||
- Definition Deferred tax assets real estate owned. No definition available.
|
| X | ||||||||||
- Definition Deferred tax liabilities deferred expense accelerated depreciation on premises and equipment. No definition available.
|
| X | ||||||||||
- Definition Deferred tax liabilities FHLB dividends. No definition available.
|
| X | ||||||||||
- Definition Deferred Tax Liabilities, Tax Basis Premium On Acquisitions No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|