Tax Credit Equity Investments (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Decrease in Retained earnings	$ (977,195,000)		$ (959,604,000)
Decrease in other assets	(290,698,000)		(270,475,000)
Tax credit investment balances	44,400,000
Unfunded commitments	7,200,000
Amortization expense	800,000
Tax credit	800,000
Other tax benefits	100,000
Impairment losses	$ 0
Amortization		$ 500,000
Low income housing, tax credits		500,000
Low income housing partnerships and other investments		$ 3,100,000
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2023-02
Schedule of Equity Method Investments [Line Items]
Decrease in Retained earnings			1,000,000
Decrease in other assets			$ 1,000,000