Servicing Rights - Valuation Assumptions (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Off-balance Sheet Risks, Disclosure Information [Line Items]
Weighted average discount rate	9.70%	9.60%
Conditional prepayment rate ("CPR")	17.10%	9.40%
Weighted average life in years	5 years 1 month 6 days	7 years 8 months 12 days
Mortgage, commercial and consumer servicing rights
Off-balance Sheet Risks, Disclosure Information [Line Items]
Weighted average discount rate	9.70%	9.60%
Conditional prepayment rate ("CPR")	17.10%	9.40%

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=116651436&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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- Definition

Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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