Condensed Financial Information Of Parent Company Condensed Financial Information Of Parent Company (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Condensed Financial Statements, Captions [Line Items]
Investment Income, Dividend	$ 8,626	$ 7,544	$ 4,807
Total Income	1,818,792	1,889,850	1,522,715
Interest Expense, Operating and Nonoperating	699,267	886,655	1,223,872
Income Tax Expense (Benefit)	(84,102)	(41,766)	312,201
Net earnings (loss)	228,973	126,888	(1,899,137)
Preferred Stock Dividends, Income Statement Impact	39,788	39,788	39,788
Net Income (Loss) Available to Common Stockholders, Basic	189,185	87,100	(1,938,925)
Parent Only
Condensed Financial Statements, Captions [Line Items]
Other Income	4,576	6,601	8,978
Investment Income, Dividend	430,000	80,000	46,000
Total Income	434,576	86,601	54,978
Interest Expense, Operating and Nonoperating	19,551	29,217	12,067
Operating Expenses	5,011	4,716	11,944
Total Expenses	24,562	33,933	24,011
Net earnings from continuing operations	410,014	52,668	30,967
Income Tax Expense (Benefit)	7,049	8,463	4,455
Income Loss From Continuing Operations Before Income Loss From Equity Method Investments	417,063	61,131	35,422
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions	(188,090)	65,757	(1,934,559)
Net earnings (loss)	$ 228,973	$ 126,888	$ (1,899,137)