Mortgage Servicing Rights (Tables)

12 Months Ended

Dec. 31, 2024

Transfers and Servicing [Abstract]

Schedule of Servicing Assets at Amortized Value

Information with respect to the Company’s mortgage servicing rights follows:

Year Ended December 31,	2024			2023			2022
Balance at beginning of year	$	28.3		$	31.1		$	31.6
Acquisition of mortgage servicing rights	—			—			1.3
Originations of mortgage servicing rights	0.7			1.1			2.5
Amortization expense	(3.3)			(3.9)			(4.3)
Balance at end of year	25.7			28.3			31.1
Principal balance of serviced loans underlying mortgage servicing rights	$	2,853.2		$	3,091.1		$	3,259.8
Mortgage servicing rights as a percentage of serviced loans	0.90		%	0.92		%	0.95		%