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Note 6 - Fair Value (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

						Quoted Prices
						in Active				Significant
						Markets for				Other				Significant
						Identical				Observable				Unobservable
		Carrying				Assets				Inputs				Inputs
		Value				(Level 1)				(Level 2)				(Level 3)
As of September 30, 2025
Assets:
Securities available for sale:
U.S. government and agency obligations		$	2,929,179			$	—			$	2,929,179			$	—
Corporate bonds			46,330,900				—				46,330,900				—
Municipal obligations			424,280				—				424,280				—
MBS - residential			99,331,011				—				99,331,011				—
MBS - commercial			11,731,869				—				11,731,869				—
Fair value hedge			51,606				—				51,606				—
Liabilities:
Cash flow hedge			187,703				—				187,703				—
Fair value hedge			51,606				—				51,606				—
		$	160,559,536			$	—			$	160,559,536			$	—
As of December 31, 2024
Assets:
Securities available for sale:
U.S. government and agency obligations		$	12,792,540			$	—			$	12,792,540			$	—
Corporate bonds			38,229,775				—				38,229,775				—
Municipal obligations			398,275				—				398,275				—
MBS - residential			74,552,809				—				74,552,809				—
MBS - commercial			14,334,048				—				14,334,048				—
Cash flow hedge			651,340				—				651,340				—
Fair value hedge			109,594				—				109,594				—
		$	141,068,381			$	—			$	141,068,381			$	—

Fair Value Measurements, Nonrecurring [Table Text Block]

		Carrying				Fair				Fair Value Measurement Placement
		Amount				Value				(Level 1)				(Level 2)				(Level 3)
		(In thousands)
September 30, 2025
Financial instruments - assets
Loans		$	671,772			$	648,287			$	—			$	—			$	648,287
Financial instruments - liabilities
Certificates of deposit			502,537				503,120				—				503,120				—
Borrowings			119,413				120,045				—				120,045				—

		Carrying				Fair				Fair Value Measurement Placement
		Amount				Value				(Level 1)				(Level 2)				(Level 3)
		(In thousands)
December 31, 2024
Financial instruments - assets
Loans		$	714,337			$	686,977			$	—			$	—			$	686,977
Financial instruments - liabilities
Certificates of deposit			493,280				493,769				—				493,769				—
Borrowings			172,173				172,575				—				172,575				—

X

- Definition

Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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X

- References

No definition available.

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