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Commitments, Contingencies, and Guarantees - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($) guarantee	Dec. 31, 2022 USD ($) guarantee
Other Commitments [Line Items]
Investor reserves	$ 107,134	$ 110,147
Administrated escrow deposits for property taxes, insurance and settlement funds	4,594,238	3,471,913
Administrated escrow deposits for principal and interest	4,380,117	2,529,326
Recorded reserves related to potential damages in connection with legal proceedings	15,000	15,000
Financial guarantee
Other Commitments [Line Items]
Guaranteed debt total amount	$ 3,062	$ 3,495
Number of separate guarantees | guarantee	3	3
IRLCs
Other Commitments [Line Items]
Average number of days until expiration of interest rate lock commitments	44 days	48 days
Mortgages
Other Commitments [Line Items]
Commitments to sell loans	$ 1,370,185	$ 20,618
MSRs with Servicing Released
Other Commitments [Line Items]
Commitments to sell loans	$ 256,632	$ 223,314

X

- Definition

Administrated Escrow Deposits, Contingent Liability, Principal And Interest

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- Definition

Administrated Escrow Deposits, Contingent Liability, Property Tax, Insurance, And Settlement Funds

+ References

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- Definition

Loan Representation And Warranty Reserve

+ References

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- Definition

Number Of Separate Guarantees

+ References

No definition available.

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

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- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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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.

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