Fair Value Measures and Disclosures - Narrative (Details)	Mar. 12, 2021
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Title Business \| Mr. Cooper Group Inc. \| Blend Labs, Inc.
Debt and Equity Securities, FV-NI [Line Items]
Ownership interest percentage	9.90%

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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