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.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

+ Details

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Loans and the Allowance for Credit Losses - Loans Identified as TDRs (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) Contract	Sep. 30, 2021 USD ($) Contract	Sep. 30, 2022 USD ($) Contract	Sep. 30, 2021 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract	1	1	3	2
Pre-Modification Outstanding Recorded Investment	$ 1,097	$ 102	$ 1,370	$ 160
Post-Modification Outstanding Recorded Investment	$ 1,075	$ 101	$ 1,075	$ 156
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract	1		3
Pre-Modification Outstanding Recorded Investment	$ 1,097		$ 1,370
Post-Modification Outstanding Recorded Investment	$ 1,075		$ 1,075
Commercial Real Estate [Member] \| Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract			1
Pre-Modification Outstanding Recorded Investment			$ 84
Commercial Real Estate [Member] \| Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract	1		2
Pre-Modification Outstanding Recorded Investment	$ 1,097		$ 1,286
Post-Modification Outstanding Recorded Investment	$ 1,075		$ 1,075
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract		1		1
Pre-Modification Outstanding Recorded Investment		$ 102		$ 103
Post-Modification Outstanding Recorded Investment		$ 101		$ 101
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract				1
Pre-Modification Outstanding Recorded Investment				$ 57
Post-Modification Outstanding Recorded Investment				$ 55