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Note 12 - Regulatory Capital (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

																										To be Well Capitalized
																		For Capital								Under Prompt
										For Capital								Adequacy With								Corrective
		Actual								Adequacy Purposes								Capital Buffer								Action Provisions
Bank Only		Amount				Ratio				Amount				Ratio				Amount				Ratio				Amount				Ratio
At September 30, 2025
Total risk-based capital (to risk-weighted assets)		$	382,049				13.81	%		$	221,372				8.00	%		$	290,551				10.50	%		$	276,715				10.00	%
Tier 1 risk-based capital (to risk-weighted assets)		$	349,690				12.64	%		$	166,029				6.00	%		$	235,208				8.50	%		$	221,372				8.00	%
Tier 1 leverage capital (to average assets)		$	349,690				10.96	%		$	127,647				4.00	%		$	N/A				N/A			$	159,558				5.00	%
CET 1 capital (to risk-weighted assets)		$	349,690				12.64	%		$	124,522				4.50	%		$	193,701				7.00	%		$	179,865				6.50	%
At December 31, 2024
Total risk-based capital (to risk-weighted assets)		$	368,953				14.18	%		$	208,174				8.00	%		$	273,228				10.50	%		$	260,218				10.00	%
Tier 1 risk-based capital (to risk-weighted assets)		$	336,416				12.93	%		$	156,131				6.00	%		$	221,185				8.50	%		$	208,174				8.00	%
Tier 1 leverage capital (to average assets)		$	336,416				11.24	%		$	119,741				4.00	%		$	N/A				N/A			$	149,676				5.00	%
CET 1 capital (to risk-weighted assets)		$	336,416				12.93	%		$	117,098				4.50	%		$	182,152				7.00	%		$	169,141				6.50	%

		At September 30,		At December 31,
Company Only		2025		2024
Total risk-based capital (to risk-weighted assets)		13.93%		14.53%
Tier 1 risk-based capital (to risk-weighted assets)		10.95%		11.36%
Tier 1 leverage capital (to average assets)		9.49%		9.87%
CET 1 capital (to risk-weighted assets)		10.95%		11.36%

X

- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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