Goodwill and Other Intangible Assets - Summary of Discount Rates and Prepayment Speeds Servicing Rights (Details)	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Minimum
Finite-Lived Intangible Assets [Line Items]
Discount rates	8.50%	8.30%
Prepayment speeds	12.60%	8.90%
Maximum
Finite-Lived Intangible Assets [Line Items]
Discount rates	11.00%	10.80%
Prepayment speeds	22.70%	27.10%

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.

No definition available.

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- 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

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- Definition

Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

+ References

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