Mortgage Servicing Rights ("MSRs") (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value at beginning of the period	$ 204,610	$ 200,692	$ 192,456	$ 230,225
Additions from loans sold with servicing retained	6,357	9,706	19,959	23,533
Servicing rights sold	0	0	0	(30,170)
Estimate of changes in fair value due to:
Payoffs, paydowns and repurchases	(7,328)	(4,597)	(17,248)	(13,549)
Changes in valuation inputs or assumptions	(17,331)	4,723	(8,859)	485
Fair value at end of the period	186,308	210,524	186,308	210,524
Unpaid principal balance of mortgage loans serviced for others	$ 12,253,361	$ 11,885,531	$ 12,253,361	$ 11,885,531

This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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Amount of increase (decrease) in fair value from changes in the inputs, assumptions, or model used to calculate the fair value of the contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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Decrease in servicing assets subsequently measured at fair value resulting from conveyance of servicing rights to unrelated parties.

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Amount of increase (decrease) from changes in fair value classified as other for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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Servicing Assets At Fair Value, Additions From Loans Sold With Servicing Retained

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No definition available.

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