Mortgage servicing rights.

No definition available.

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- Definition

Percentage of increase in discount rate of servicing rights.

+ References

No definition available.

+ Details

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- Definition

Primary servicing portfolio.

+ References

No definition available.

+ Details

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- Definition

Special servicing portfolio.

+ References

No definition available.

+ Details

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The increase (decrease) in the fair value of servicing assets that are subsequently measured at fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746

+ Details

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Period Type:	duration

- Definition

Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122596-111746

+ Details

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Mortgage Servicing Rights, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Mortgage Servicing Rights
Primary servicing portfolio	$ 69,000.0		$ 68,400.0
Special servicing portfolio	1,900.0		$ 2,000.0
Discount Rate One
Mortgage Servicing Rights
Decrease in fair value of servicing rights	18.5	$ 18.0
Discount Rate Two
Mortgage Servicing Rights
Decrease in fair value of servicing rights	$ 36.1	$ 35.1
Minimum
Mortgage Servicing Rights
Discount rates used in measuring fair value	6.10%	6.10%
Minimum \| Discount Rate One
Mortgage Servicing Rights
Increase in discount rate	1.00%		1.00%
Maximum
Mortgage Servicing Rights
Discount rates used in measuring fair value	13.50%	13.50%
Maximum \| Discount Rate Two
Mortgage Servicing Rights
Increase in discount rate	2.00%		2.00%
Mortgage Servicing Rights
Mortgage Servicing Rights
Estimated fair value of MSRs	$ 637.6		$ 608.0