Condensed Financial Information Of Parent Company Condensed Financial Information Of Parent Company (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items]
Other assets	$ 1,131,249	$ 1,012,007
Assets	38,534,064	41,228,936
Long-Term Debt	2,911,322	1,764,030
Subordinated debt	936,600
Total liabilities	35,143,299	37,278,405
Stockholders' Equity Attributable to Parent Only	3,390,765	3,950,531	$ 3,999,630	$ 3,594,951
Total liabilities and stockholders' equity	38,534,064	41,228,936
Parent [Member]
Condensed Financial Statements, Captions [Line Items]
Cash	285,758	351,181
Investments In Consolidated Banking Subsidiaries	3,384,784	3,640,891
Other assets	134,822	98,071
Assets	3,805,364	4,090,143
Long-Term Debt	169,906	0
Subordinated debt	213,171	135,055
Other Liabilities	31,522	4,557
Total liabilities	414,599	139,612
Stockholders' Equity Attributable to Parent Only	3,390,765	3,950,531
Total liabilities and stockholders' equity	$ 3,805,364	$ 4,090,143