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 accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Note 15 - Goodwill and Other Intangible Assets (Details Textual)		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 22, 2016	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Goodwill		$ 3,592,000		$ 3,592,000		$ 3,592,000
Goodwill, Impairment Loss				0
Amortization of Intangible Assets		$ 897,000	$ 1,002,000	2,757,000	$ 2,484,000
Core Deposits [Member]
Impairment of Intangible Assets, Finite-Lived				0
Amortization of Intangible Assets				$ 2,757,000		$ 3,464,000
Bank of America [Member]
Number of Businesses Acquired	4
Bank of America [Member] \| Core Deposits [Member]
Number of Businesses Acquired				4
Finite-Lived Intangible Asset, Useful Life (Year)		9 years		9 years
Columbia State Bank [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years		10 years
Anchor Bank [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years		10 years