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Fair Value Measurements - Quantitative Information for Level 3 Measurements (Details) - Level 3	Mar. 31, 2023	Dec. 31, 2022
Model pricing | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage loans held for sale	0.65	0.67
Model pricing | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage loans held for sale	1	1
Model pricing | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage loans held for sale	0.88	0.86
Loan funding probability | IRLCs | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs	0	0
Loan funding probability | IRLCs | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs	1	1
Loan funding probability | IRLCs | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs	0.71	0.68
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Non-mortgage loans held for sale	0.082
Discount rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs	0.095	0.095
Non-mortgage loans held for sale	0.062
Discount rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs	0.125	0.125
Non-mortgage loans held for sale	0.085
Discount rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs	0.099	0.099
Conditional prepayment rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs	0.062	0.061
Conditional prepayment rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs	0.286	0.266
Conditional prepayment rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs	0.071	0.069

X

- Definition

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+ References

No definition available.

+ Details

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- Definition

Servicing Asset And Servicing Liability, Measurement Input

+ References

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+ Details

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X

- Definition

Value of input used to measure derivative asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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X

- 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

No definition available.

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X

- Definition

Value of input used to measure loan, held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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