Percentage of charge-off to contractual balances for impaired loans.

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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+ Details

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
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-Section 50
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-Subparagraph (a)
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+ Details

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- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 40
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Period Type:	instant

- Definition

Amount, after allowance for credit loss, of deduction to financing receivable held for sale that is not part of disposal group.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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- Definition

Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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Note 5 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Note 5 - Loans (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, Nonaccrual	$ 111,696		$ 111,696		$ 112,363
Percentage Of Charge Off To Contractual Balances For Impaired Loans	6.30%		6.30%		14.40%
Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default	$ 7,058	$ 0	$ 8,047	$ 0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	0		0
Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale			11,000
Federal Reserve Bank’s Discount Window [Member]
Debt Instrument, Unused Borrowing Capacity, Amount	1,220,000		1,220,000
Commercial Loans [Member] \| Asset Pledged as Collateral [Member] \| Federal Reserve Bank’s Discount Window [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual	1,320,000		1,320,000
Commercial Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default	7,058		$ 8,047
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, Reconciliation to Cash Flow, Deduction from Held-for-Sale	$ 11,000