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_
Data Type:	xbrli:stringItemType
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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

+ Details

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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		6 Months Ended
	Jun. 30, 2022 USD ($) Contract	Jun. 30, 2021 USD ($) Contract	Jun. 30, 2022 USD ($) Contract	Jun. 30, 2021 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract	1	3	2	3
Pre-Modification Outstanding Recorded Investment	$ 186	$ 2,097	$ 273	$ 2,120
Post-Modification Outstanding Recorded Investment	$ 184	$ 2,113	$ 238	$ 2,113
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract	1		2
Pre-Modification Outstanding Recorded Investment	$ 186		$ 273
Post-Modification Outstanding Recorded Investment	$ 184		$ 238
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
Post-Modification Outstanding Recorded Investment			$ 54
Commercial Real Estate [Member] \| Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract	1		1
Pre-Modification Outstanding Recorded Investment	$ 186		$ 189
Post-Modification Outstanding Recorded Investment	$ 184		$ 184
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract		2		2
Pre-Modification Outstanding Recorded Investment		$ 2,041		$ 2,064
Post-Modification Outstanding Recorded Investment		$ 2,057		$ 2,057
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Modifications \| Contract		1		1
Pre-Modification Outstanding Recorded Investment		$ 56		$ 56
Post-Modification Outstanding Recorded Investment		$ 56		$ 56