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Note 2 - Business Combination (Unaudited) (Details Textual) - First of Long Island Corporation [Member] $ / shares in Units, $ in Millions | Sep. 04, 2024 USD ($) $ / shares
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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | $ 14,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans | 11,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits | $ 11,000
Business Acquisition, Equity Interest Issued or Issuable, Share Exchange Ratio | 0.5175
Business Combination, Consideration Transferred | $ 284
Share Price (in dollars per share) | $ / shares | $ 23.97

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479637/805-30-30-7 + Details
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- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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