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Loans Held for Sale - Composition of Loans Held for Sale (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Receivables Held-for-sale [Abstract]
Home equity conversion mortgages, at lower of cost or fair value	$ 507	$ 507
Residential mortgage loans, at fair value	2,496	15,747
Total consumer loans held for sale	3,003	16,254
Loans held for sale	$ 3,003	$ 16,254

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- Definition

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

+ References

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- Definition

Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Consumer, Home Equity1

+ References

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- Definition

Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Mortgage1

+ References

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124265262&loc=d3e48678-111004

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