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Note 8 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Apr. 21, 2023 USD ($)	Dec. 31, 2021 USD ($)
Number of Reportable Segments	1
Goodwill	$ 143,946	$ 143,946	$ 129,565		$ 129,565
Goodwill, Acquired During Period	0	14,381	0
Finite-Lived Intangible Assets, Net	13,014
Amortization of Intangible Assets	$ 2,131	1,731	$ 1,446
Core Deposits [Member]
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	7 years 7 months 17 days
Core Deposits [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Month)	6 months
Core Deposits [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Month)	8 years
Surrey [Member]
Goodwill				$ 14,381
Goodwill, Acquired During Period		$ 14,380
Surrey [Member] | Core Deposits [Member]
Finite-Lived Intangible Assets, Net	$ 12,700

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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