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Condensed Parent Company Financial Statements - Schedule of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to parent company | $ 53,366 | $ (4,221) | $ 22,026 | $ 19,100 | $ 17,536 | $ 20,142 | $ 16,372 | $ 14,665 | $ 90,271 | $ 68,715 | $ 74,999
Adjustments to reconcile net income to net cash provided from operating activities: |  |  |  |  |  |  |  |  |  |  |
Depreciation of premises and equipment |  |  |  |  |  |  |  |  | 9,553 | 7,890 | 8,159
Amortization of debt issuance costs |  |  |  |  |  |  |  |  | 100 | 100 | 100
Net cash provided from operating activities |  |  |  |  |  |  |  |  | 224,444 | 104,954 | 116,597
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of restricted equity securities |  |  |  |  |  |  |  |  | 83,643 | 32,834 | 48,489
Purchase of premises and equipment |  |  |  |  |  |  |  |  | (12,288) | (4,985) | (12,357)
Net cash and cash equivalents acquired in acquisition |  |  |  |  |  |  |  |  | 1,084,095 | 0 | (80,209)
Net cash provided from (used for) investing activities |  |  |  |  |  |  |  |  | 2,300,410 | (139,603) | (665,265)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |
Payment of dividends on common stock |  |  |  |  |  |  |  |  | (63,119) | (48,058) | (47,926)
Net cash (used for) provided from financing activities |  |  |  |  |  |  |  |  | (1,026,779) | 445,292 | 298,736
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  | 1,498,075 | 410,643 | (249,932)
Cash and cash equivalents at beginning of year |  |  |  | 543,670 |  |  |  |  | 543,670 |  |
Cash and cash equivalents at end of year | 2,041,745 |  |  |  | 543,670 |  |  |  | 2,041,745 | 543,670 |
Parent Company |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to parent company |  |  |  |  |  |  |  |  | 90,271 | 68,715 | 74,999
Adjustments to reconcile net income to net cash provided from operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed income of subsidiaries |  |  |  |  |  |  |  |  | (54,436) | (19,179) | (37,274)
Depreciation of premises and equipment |  |  |  |  |  |  |  |  | 1,411 | 1,477 | 1,514
Amortization of debt issuance costs |  |  |  |  |  |  |  |  | 100 | 100 | 100
Other operating activities, net |  |  |  |  |  |  |  |  | (6,352) | 7,274 | (22,515)
Net cash provided from operating activities |  |  |  |  |  |  |  |  | 30,994 | 58,387 | 16,824
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of restricted equity securities |  |  |  |  |  |  |  |  | 151 | 0 | 0
Purchase of premises and equipment |  |  |  |  |  |  |  |  | (436) | (1,167) | (48)
Net cash and cash equivalents acquired in acquisition |  |  |  |  |  |  |  |  | 148,327 | 0 | (107,332)
Net cash provided from (used for) investing activities |  |  |  |  |  |  |  |  | 148,042 | (1,167) | (107,380)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |
Payment of dividends on common stock |  |  |  |  |  |  |  |  | (63,119) | (48,058) | (47,926)
Net cash (used for) provided from financing activities |  |  |  |  |  |  |  |  | (63,119) | (48,058) | (47,926)
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  | 115,917 | 9,162 | (138,482)
Cash and cash equivalents at beginning of year |  |  |  | $ 31,993 |  |  |  | $ 22,831 | 31,993 | 22,831 | 161,313
Cash and cash equivalents at end of year | $ 147,910 |  |  |  | $ 31,993 |  |  |  | $ 147,910 | $ 31,993 | $ 22,831

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