Short and Long-Term Funding (Long-term Funding Narrative) (Details Textuals) - USD ($) $ in Millions		1 Months Ended
	Feb. 10, 2023	Nov. 30, 2014	Mar. 31, 2024
Long-term funding
Fair Value of Pledged Securites to Securities Sold under Agreements to Repurchase			215.00%
Two Thousand Fourteen Subordinated Notes
Long-term funding
Debt Instrument, Issuance Date Month, Year		November 2014
Junior Subordinated Debentures Issued		$ 250
Debt Instrument, Term		10 years
Debt Instrument, Maturity Date Month, Year		January 2025
Debt Instrument Call Date Earliest Month Year		October 2024
Subordinated Borrowing, Interest Rate		4.25%
Two Thousand Twenty Three Subordinated Notes
Long-term funding
Debt Instrument, Issuance Date Month, Year	February 2023
Junior Subordinated Debentures Issued	$ 300
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date Month, Year	March 1, 2033
Debt Instrument, Redemption Period, Start Date	Mar. 01, 2028
Subordinated Borrowing, Interest Rate	6.625%
Interest Added to UST 5 Year Rate	2.812%