Other Real Estate Owned (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Repossessed Assets [Abstract]
Real Estate Acquired Through Foreclosure, Valuation Adjustments	$ 0.2	$ 4.3	$ 1.1
Real Estate Acquired Through Foreclosure [Roll Forward]
Balance at beginning of year	4.3	16.5	12.7
Additions	0.4	4.6	8.3
Dispositions	(1.1)	(12.5)	(3.4)
Balance at end of year	3.4	4.3	$ 16.5
Mortgage Loans in Process of Foreclosure, Amount	1.9	$ 2.2
Carrying value of foreclosed OREO	$ 0.0