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Summary of significant accounting policies - Pending Merger (Details) - Pending Merger with FNCB Bancorp, Inc. $ in Millions	Sep. 27, 2023 USD ($)
Business Acquisition
Fixed exchange ratio	0.1460
Fee required if the merger is terminated	$ 4.8

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- Definition

The ratio of common stock a shareholder of acquired company will receive in conjunction with the merger.

+ References

No definition available.

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- Definition

The fee required if the merger is terminated.

+ 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

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