Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Note 6 - Other Assets and Other Liabilities (Details Textual) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) $ / shares shares	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) $ / shares shares	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Equity Securities, FV-NI	$ 255		$ 255		$ 466
Equity Securities, FV-NI, Unrealized Gain (Loss)	36		(211)
LIHTC Investments	27,670		27,670		29,891
Qualified Affordable Housing Project Investment, Commitment	$ 9,596		$ 9,596		10,518
Lessee, Operating Lease, Term of Contract	5 years		5 years
Lessee, Operating Lease, Renewal Term (Year)	5 years		5 years
Operating Lease, Liability	$ 22,197		$ 22,197		22,206
Operating Lease, Right-of-Use Asset	$ 22,197		$ 22,197		$ 22,206
Operating Lease, Weighted Average Remaining Lease Term (Year)	4 years 2 months 12 days		4 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	3.96%		3.96%
Operating Lease, Cost	$ 1,691	$ 1,691	$ 3,428	$ 3,371
Contingent Commitment, Remainder of Fiscal Year [Member]
Qualified Affordable Housing Project Investment, Commitment	4,611		4,611
Contingent Commitment, Year 1 [Member]
Qualified Affordable Housing Project Investment, Commitment	2,990		2,990
Contingent Commitment, Year 2 [Member]
Qualified Affordable Housing Project Investment, Commitment	1,095		1,095
Contingent Commitment, Year 3 [Member]
Qualified Affordable Housing Project Investment, Commitment	396		396
Contingent Commitment, Year 4 [Member]
Qualified Affordable Housing Project Investment, Commitment	62		62
Contingent Commitment, Thereafter [Member]
Qualified Affordable Housing Project Investment, Commitment	$ 442		$ 442
Visa Inc. [Member]
Investment Owned, Balance, Shares \| shares	211		211
Conversion Rate of Class B Common Stock into Class A Common Stock	1.5445		1.5445
Share Price \| $ / shares	$ 343.09		$ 343.09
Visa Inc. [Member] \| Reported Value Measurement [Member]
Investment Owned, Fair Value	$ 0		$ 0