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 http://asc.fasb.org/extlink&oid=121611835&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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- Details

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- Details

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Loans - Summary of Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 Loan	Sep. 30, 2019 Loan	Sep. 30, 2020 USD ($) Contract	Sep. 30, 2019 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of loans restructured	0	0	13	1
Pre-Modification Recorded Investment			$ 473	$ 17
Post-Modification Recorded Investment			$ 473	$ 17
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured \| Contract			5
Pre-Modification Recorded Investment			$ 181
Post-Modification Recorded Investment			$ 181
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured \| Contract			1
Pre-Modification Recorded Investment			$ 80
Post-Modification Recorded Investment			$ 80
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured \| Contract			1
Pre-Modification Recorded Investment			$ 66
Post-Modification Recorded Investment			$ 66
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured \| Contract			6	1
Pre-Modification Recorded Investment			$ 146	$ 17
Post-Modification Recorded Investment			$ 146	$ 17