Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Details Textuals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Amortization Method Qualified Affordable Housing Project Investments, Amortization	$ 34,000	$ 34,000	$ 33,000
Remaining Investment in Qualified Affordable Housing Projects	215,000	246,000
Unfunded Equity Contributions Obligation Amount	27,000	40,000
Affordable Housing Project Investment, Write-down, Amount	0	0	$ 0
Loans repurchased under make whole requests	5,000	6,000
Loans sold to outside investors original amount	3,800,000
Loans sold to outside investors remaining outstanding amount	3,500,000
Mortgage Repurchase Reserve	835	1,000
Residential mortgage loans sold with recourse risk	15,000	7,000
Residential mortgage loans sold with credit recourse risk	16,000	19,000
Residential Mortgage Loans with Credit Risk Recourse, Historical Losses	0	0
UnconsolidatedProjectsLowIncomeHousing [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Carrying value of investments	219,000	250,000
PrincipalInvestmentCommitment
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Carrying value of investments	$ 40,000	$ 27,000