Loans Receivable - Summary of Allowance for Loan Losses On Loans Receivables (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Receivables [Abstract]
Provision for (reversal of) credit losses	$ (156)	$ 268
Increase (decrease) to allowance for credit lossed on loans	(290)	225
Increase decrease in reserve for unfunded liabilities	$ 134	$ 43

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Subparagraph (a)
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-Topic 230
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
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-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration