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Fair Value of Financial Instruments - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Carrying Value |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Other investments | $ 3,193 | $ 6,155
Securities |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value option elected aggregate carrying amount, asset | 8,000 | 5,000
Residential Loans |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value option elected aggregate carrying amount, asset | 2,100,000 | 3,700,000
Business purpose residential loans, held-for-sale, at fair value |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value option elected aggregate carrying amount, asset | 1,700,000 | 2,900,000
Acquisitions | 0 | 181,814
HEI |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Acquisitions | 136,445 | 248,218
MSRs and Other Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Acquisitions | $ 500 | 8,638
MSRs |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Acquisitions |  | $ 9,000

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- 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. + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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