Income Taxes - Reconciliation between Statutory Federal Income Tax Rate and Effective Income Tax Rate (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Apr. 01, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Income Tax Disclosure [Abstract] | |||||
| Tax Jurisdiction of Domicile [Extensible Enumeration] | UNITED STATES | ||||
| Amount | |||||
| Income tax at federal statutory rate | $ 32,425 | $ 31,918 | $ 64,393 | $ 62,821 | |
| State income taxes, net of federal income taxes | 3,764 | 3,490 | 7,494 | 7,073 | |
| Other tax credits | (56) | (61) | (116) | (121) | |
| Interest on municipal securities | (1,776) | (1,681) | (3,559) | (3,370) | |
| Income on bank-owned life insurance | (384) | (559) | (672) | (946) | |
| Other nontaxable income | (210) | (446) | (845) | (1,431) | |
| Municipal bond interest expense | 46 | 41 | 93 | 84 | |
| Executive compensation expense | 799 | 633 | 1,434 | 902 | |
| Other nondeductible expenses | 468 | 253 | 877 | 521 | |
| Other | 0 | 0 | 0 | 0 | |
| Income tax expense | $ 35,076 | $ 33,588 | $ 69,099 | $ 65,533 | |
| Percent | |||||
| Income tax at federal statutory rate | 21.00% | 21.00% | 21.00% | 21.00% | |
| State income taxes, net of federal income taxes | 2.44% | 2.30% | 2.44% | 2.37% | |
| Other tax credits | (0.04%) | (0.04%) | (0.04%) | (0.04%) | |
| Interest on municipal securities | (1.15%) | (1.11%) | (1.16%) | (1.13%) | |
| Income on bank-owned life insurance | (0.25%) | (0.37%) | (0.22%) | (0.32%) | |
| Other nontaxable income | (0.14%) | (0.29%) | (0.28%) | (0.48%) | |
| Municipal bond interest expense | 0.03% | 0.03% | 0.03% | 0.03% | |
| Executive compensation expense | 0.52% | 0.42% | 0.47% | 0.30% | |
| Other nondeductible expenses | 0.30% | 0.17% | 0.29% | 0.17% | |
| Other | 0.00% | 0.00% | 0.00% | 0.00% | |
| Total | 24.359% | 22.72% | 22.10% | 22.53% | 21.91% |
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- Definition Effective Income Tax Rate Reconciliation, Nondeductible Expense, Municipal Interest Expense, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Nondeductible Expense, Municipal Interest Expense, Percent No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Exempt Income, Bank-Owned Life Insurance, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Exempt Income, Bank-Owned Life Insurance, Percent No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Exempt Income, Interest on Municipal Securities, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Exempt Income, Interest on Municipal Securities, Percent No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Exempt Income, Other, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Tax Exempt Income, Other, Percent No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of reported income tax benefit (expense) from difference to income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to other reconciling items. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying statutory federal (national) tax rate to pretax income (loss) from continuing operation attributable to other reconciling item. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Indicates tax jurisdiction of domicile. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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