Other Borrowed Funds (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Debt Disclosure [Abstract]
Other Short-term Borrowings	$ 960.0	$ 1,567.5
Short-Term Debt [Line Items]
Other Short-term Borrowings	960.0	1,567.5
Average fixed rate borrowings in tenors of 12-months
Debt Disclosure [Abstract]
Other Short-term Borrowings	$ 710.0	$ 1,317.5
Fixed-to-floating rate (percent)	4.47%	4.78%
Short-Term Debt [Line Items]
Fixed-to-floating rate (percent)	4.47%	4.78%
Other Short-term Borrowings	$ 710.0	$ 1,317.5
Average fixed rate borrowings in tenors over twelve-months
Debt Disclosure [Abstract]
Other Short-term Borrowings	$ 250.0	$ 250.0
Fixed-to-floating rate (percent)	4.72%	4.72%
Short-Term Debt [Line Items]
Fixed-to-floating rate (percent)	4.72%	4.72%
Other Short-term Borrowings	$ 250.0	$ 250.0