Parent Company Only Financial Information, Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets [Abstract]
Other Assets	$ 676,987	$ 658,604
Assets	43,023,068	41,015,855
Liabilities and Equity [Abstract]
Senior Notes	300,000	0
Subordinated Debt	550,000	550,000
Long-Term Debt, Total	1,441,442
Other Liabilities	568,485	552,814
Liabilities, Total	38,417,506	36,841,882
Preferred Stock, Including Additional Paid in Capital		194,112
Common Stock, Value, Issued		1,752
Equity, Attributable to Parent, Total	4,605,562	4,173,973	$ 4,015,490	$ 4,024,853
Liabilities and Equity	43,023,068	41,015,855
Parent Company Only
Assets [Abstract]
Cash and Due from Banks	36,158	22,473
Interest-Bearing Deposits in Banks and Other Financial Institutions	212,943	20,428
Financing Receivable, after Allowance for Credit Loss, Noncurrent	710,126	562,640
Investments in and Receivable Due from Subsidiaries	4,455,525	4,080,536
Other Assets	57,649	48,589
Assets	5,472,402	4,734,666
Liabilities and Equity [Abstract]
Senior Notes	300,000	0
Subordinated Debt	550,000	550,000
Other Long-term Debt and Capitalized Costs	(12,660)	(9,114)
Long-Term Debt, Total	837,340	540,886
Other Liabilities	29,500	19,807
Liabilities, Total	866,841	560,693
Preferred Stock, Including Additional Paid in Capital	194,112	194,112
Common Stock, Value, Issued	4,411,450	3,979,861
Equity, Attributable to Parent, Total	4,605,562	4,173,973
Liabilities and Equity	$ 5,472,402	$ 4,734,666