Note 13 - FHLB Borrowings (Details Textual) $ in Billions	Sep. 30, 2026 USD ($)
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 3.8
Advances From Federal Home Loan Bank Used for Outstanding Advances	1.1
Advances From Federal Home Loan Bank Used For Municipal Letters of Credit	1.3
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	$ 1.4

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank used for municipal letters of credit.

No definition available.

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank used for outstanding advances.

+ References

No definition available.

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- Definition

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
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-Section S50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 470
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-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478878/942-470-45-1

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 470
-Name Accounting Standards Codification
-Section 45
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