Mortgage Servicing Rights - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Servicing Assets at Fair Value [Line Items]
Mortgage servicing rights portfolio	$ 425.8	$ 448.9
Contractually specified servicing, late and ancillary fees earned on the mortgage servicing rights	1.1	1.2
Federal National Mortgage Association
Servicing Assets at Fair Value [Line Items]
Loans serviced for others	423.7	446.8
Other financial institutions
Servicing Assets at Fair Value [Line Items]
Loans serviced for others	$ 2.1	$ 2.2

Amount of loans serviced for the benefit of others.

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- Definition

Amount of contractually specified servicing fee, late fee, and ancillary fee recognized as income for servicing asset and servicing liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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