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Parent Company Only Financial Information (Tables) | 12 Months Ended
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Dec. 31, 2025
Condensed Financial Information Disclosure [Abstract] |
Parent Only Financial Statements |
Condensed Balance Sheets |  | December 31, |
|  | 2025 |  |  | 2024 |
Assets: |  |  |  |  |  |
Investment in banks |  | $ | 2,217,339 |  |  | $ | 2,062,555 |
Other assets |  |  | 141,547 |  |  |  | 86,907 |
Total Assets |  | $ | 2,358,886 |  |  | $ | 2,149,462 |
Liabilities and Shareholders' Equity: |  |  |  |  |  |
Accrued expense |  | $ | 3,387 |  |  | $ | 1,577 |
Subordinated notes |  |  | 171,966 |  |  |  | 123,702 |
Junior subordinated debt securities |  |  | 61,856 |  |  |  | 61,856 |
Shareholders' equity |  |  | 2,121,677 |  |  |  | 1,962,327 |
Total Liabilities and Shareholders' Equity |  | $ | 2,358,886 |  |  | $ | 2,149,462 |
Condensed Statements of Income |  | Years Ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Revenue: |  |  |  |  |  |  |  |  |
Dividends received from banks |  | $ | 155,440 |  |  | $ | 82,536 |  |  | $ | 67,189 |
Earnings of subsidiaries over distributions |  |  | 78,537 |  |  |  | 148,884 |  |  |  | 106,388 |
Other income |  |  | 156 |  |  |  | 165 |  |  |  | 163 |
Total Revenue |  |  | 234,133 |  |  |  | 231,585 |  |  |  | 173,740 |
Expense: |  |  |  |  |  |  |  |  |
Other expense |  |  | 9,998 |  |  |  | 8,576 |  |  |  | 8,251 |
Total Expense |  |  | 9,998 |  |  |  | 8,576 |  |  |  | 8,251 |
Net Income |  | $ | 224,135 |  |  | $ | 223,009 |  |  | $ | 165,489 |
Condensed Statements of Cash Flows |  | Years Ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Operating Activities: |  |  |  |  |  |  |  |  |
Net income |  | $ | 224,135 |  |  | $ | 223,009 |  |  | $ | 165,489 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |
Net change in investment in subsidiaries |  |  | (78,537 | ) |  |  | (148,884 | ) |  |  | (106,388 | )
Other |  |  | 605 |  |  |  | (835 | ) |  |  | (797 | )
Net cash from operating activities |  |  | 146,203 |  |  |  | 73,290 |  |  |  | 58,304 |
Financing Activities: |  |  |  |  |  |  |  |  |
Net proceeds from subordinated notes |  |  | 171,936 |  |  |  | — |  |  |  | — |
Payment of subordinated notes |  |  | (125,000 | ) |  |  | — |  |  |  | — |
Common stock dividends |  |  | (58,456 | ) |  |  | (56,790 | ) |  |  | (56,653 | )
Repurchase and retirement of common stock |  |  | (80,036 | ) |  |  | (7,499 | ) |  |  | — |
Net cash from financing activities |  |  | (91,556 | ) |  |  | (64,289 | ) |  |  | (56,653 | )
Net change in cash and cash equivalents |  |  | 54,647 |  |  |  | 9,001 |  |  |  | 1,651 |
Cash and cash equivalents at beginning of year |  |  | 86,512 |  |  |  | 77,511 |  |  |  | 75,860 |
Cash and cash equivalents at end of year |  | $ | 141,159 |  |  | $ | 86,512 |  |  | $ | 77,511 |

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