Parent Company Income Statement (Details) - USD ($)		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Expenses
Interest expense		$ 189,205,000	$ 29,591,000	$ 13,717,000
Income tax benefit		75,632,000	83,941,000	35,683,000
Net Income		239,502,000	263,813,000	120,992,000
Parent Company [Member]
Income
Dividend Income, Operating	[1]	229,046,000	209,257,000	77,673,000
Total income		229,046,000	209,257,000	77,673,000
Expenses
Interest expense		6,829,000	4,626,000	4,493,000
Other Expenses		3,156,000	1,680,000	0
Total expenses		9,985,000	6,306,000	4,493,000
Income before income taxes and equity in undistributed income of subsidiaries		219,061,000	202,951,000	73,180,000
Income tax benefit		(2,785,000)	(1,731,000)	(1,241,000)
Income of parent company		221,846,000	204,682,000	74,421,000
Equity in undistributed income of subsidiaries		17,656,000	59,131,000	46,571,000
Net Income		$ 239,502,000	$ 263,813,000	$ 120,992,000

[1] Majority of balance eliminated in consolidation.