Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]
Interest income recognized on nonaccrual loans	$ 28	$ 14
Accrued Interest Receivable and Other Assets [Member]
Loans and Leases Receivable Disclosure [Line Items]
Accrued interest receivable on loans	$ 9,100

Amount of interest income on financing receivable on nonaccrual status.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

Name:	us-gaap_FinancingReceivableNonaccrualInterestIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration