Parent Company Condensed Financial Statements - Schedule of Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 4,188,139	$ 5,250,742
Other assets	1,991,110	1,907,189
TOTAL	80,434,997	75,976,475	$ 69,612,884
LIABILITIES AND STOCKHOLDERS’ EQUITY
Total stockholders’ equity	8,899,202	7,723,054	$ 6,950,834	$ 5,984,612
TOTAL	80,434,997	75,976,475
Parent Company
ASSETS
Cash and cash equivalents	664,002	394,919
Other assets	130,535	125,552
TOTAL	8,956,605	7,781,978
LIABILITIES AND STOCKHOLDERS’ EQUITY
Long-term debt	32,320	32,001
Other liabilities	25,083	26,923
Total stockholders’ equity	8,899,202	7,723,054
TOTAL	8,956,605	7,781,978
Parent Company | Bank
ASSETS
Investments in subsidiaries	8,151,065	7,251,084
Parent Company | Nonbank
ASSETS
Investments in subsidiaries	$ 11,003	$ 10,423