Business Combinations - Schedule of Pro Forma Financial Information (Details) - Holdco Merger - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Business Combination [Line Items]
Net interest income	$ 796,797	$ 742,222
Non-interest income	105,425	74,029
Net income before income taxes	$ 176,008	$ 52,178

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.

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