Merger - Schedule of Acquired Purchased Credit Impaired Loans Receivable (Detail) - GNB Financial Services Inc [Member] $ in Thousands	Sep. 18, 2021 USD ($)
Business Acquisition [Line Items]
Contractual principal and interest at merger	$ 8,509
Nonaccretable difference	(2,716)
Expected cash flows at merger	5,793
Accretable yield	(409)
Fair value of purchased credit impaired loans	$ 5,384

Business combination acquired receivable accretable yield.

No definition available.

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- Definition

Business combination acquired receivable expected cash fLows.

+ References

No definition available.

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- Definition

Business combination acquired receivables nonaccretable difference.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472

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- Definition

For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472

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