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Commitments, Contingencies, and Guarantees - Narrative (Details) $ in Thousands	Mar. 31, 2022 USD ($) guarantee	Dec. 31, 2021 USD ($) guarantee
Other Commitments [Line Items]
Administrated escrow deposits for property taxes and insurance	$ 4,400,289	$ 3,682,366
Administrated escrow deposits for principal and interest	6,511,100	$ 8,370,326
Recorded reserves related to potential damages in connection with legal proceedings	$ 15,000
IRLCs
Other Commitments [Line Items]
Average number of days until expiration of interest rate lock commitments	45 days	43 days
Mortgages
Other Commitments [Line Items]
Commitments to sell loans	$ 2,122,874	$ 2,243,381
MSRs with Servicing Released
Other Commitments [Line Items]
Commitments to sell loans	$ 241,223	$ 333,594
Financial guarantee
Other Commitments [Line Items]
Number of separate guarantees | guarantee	3	3
Guaranteed debt total amount	$ 4,789	$ 5,216

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- Definition

Administrated Escrow Deposits, Contingent Liability, Principal And Interest

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Administrated Escrow Deposits, Contingent Liability, Property Tax And Insurance

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- Definition

Number Of Separate Guarantees

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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 http://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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://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)
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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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