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Loans Held for Sale - Composition of Loans Held for Sale (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Multifamily loans, at lower of cost or fair value	$ 0	$ 4,079
Total commercial loans held for sale	0	4,079
Home equity conversion mortgages, at lower of cost or fair value	0	507
Residential mortgage loans, at fair value	1,215	322
Personal installment loans, at lower of cost or fair value	151,040	133,801
Other installment loans, at lower of cost or fair value	0	189,603
Other installment loans, at fair value	188,062	0
Total consumer loans held for sale	340,317	324,233
Loans held for sale	340,317	328,312
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for sale	$ 500	$ 6,200

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- Definition

Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Consumer

+ References

No definition available.

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Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Consumer, Home Equity Conversion

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- Definition

Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Consumer, Other Installment Loans

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- Definition

Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Installment Loans

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- Definition

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- Definition

Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Commercial, Real Estate1

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- Definition

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- Definition

MultiFamilyCommercialLoansHeldForSale

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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-Publisher FASB
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- Definition

Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

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