XML 35 R23.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2

Note 2 - Securities (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Available-for-sale and Held-to-maturity Reconciliation [Table Text Block]

		March 31, 2024
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized (Losses)				Fair Value				Allowance for Credit Losses
Securities available for sale:
U.S. Treasury securities		$	12,478			$	—			$	(1,079	)		$	11,399			$	—
U.S. agency and mortgage-backed securities			93,915				50				(12,997	)			80,968				—
Obligations of states and political subdivisions			63,461				1				(8,154	)			55,308				—
Total securities available for sale		$	169,854			$	51			$	(22,230	)		$	147,675			$	—
Securities held to maturity:
U.S. Treasury securities		$	19,277			$	—			$	(349	)		$	18,928			$	—
U.S. agency and mortgage-backed securities			92,019				—				(10,033	)			81,986				—
Obligations of states and political subdivisions			11,645				40				(996	)			10,689				(1	)
Corporate debt securities			3,000				—				(514	)			2,486				(115	)
Total securities held to maturity		$	125,941			$	40			$	(11,892	)		$	114,089			$	(116	)
Total securities		$	295,795			$	91			$	(34,122	)		$	261,764			$	(116	)

		December 31, 2023
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized (Losses)				Fair Value				Allowance for Credit Losses
Securities available for sale:
U.S. Treasury securities		$	12,476			$	—			$	(1,026	)		$	11,450			$	—
U.S. agency and mortgage-backed securities			96,937				55				(12,192	)			84,800				—
Obligations of states and political subdivisions			64,045				6				(7,444	)			56,607				—
Total securities available for sale		$	173,458			$	61			$	(20,662	)		$	152,857			$	—
Securities held to maturity:
U.S. Treasury securities		$	39,085			$	—			$	(389	)		$	38,696			$	—
U.S. agency and mortgage-backed securities			94,617				—				(8,992	)			85,625				—
Obligations of states and political subdivisions			11,649				107				(943	)			10,813				—
Corporate debt securities			3,000				—				(520	)			2,480				(107	)
Total securities held to maturity		$	148,351			$	107			$	(10,844	)		$	137,614			$	(107	)
Total securities		$	321,809			$	168			$	(31,506	)		$	290,471			$	(107	)

Gain (Loss) on Securities [Table Text Block]

		March 31, 2024
		Less than 12 months								12 months or more								Total
		Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)
Securities available for sale:
U.S. Treasury securities		$	—			$	—			$	11,399			$	(1,079	)		$	11,399			$	(1,079	)
U.S. agency and mortgage-backed securities			1,268				(13	)			75,506				(12,984	)			76,774				(12,997	)
Obligations of states and political subdivisions			5,341				(195	)			48,276				(7,959	)			53,617				(8,154	)
Total securities available for sale		$	6,609			$	(208	)		$	135,181			$	(22,022	)		$	141,790			$	(22,230	)

		December 31, 2023
		Less than 12 months								12 months or more								Total
		Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)
Securities available for sale:
U.S. Treasury securities		$	—			$	—			$	11,450			$	(1,026	)		$	11,450			$	(1,026	)
U.S. agency and mortgage-backed securities			1,281				(29	)			78,800				(12,163	)			80,081				(12,192	)
Obligations of states and political subdivisions			4,469				(215	)			47,004				(7,229	)			51,473				(7,444	)
Total securities available for sale		$	5,750			$	(244	)		$	137,254			$	(20,418	)		$	143,004			$	(20,662	)

Investments Classified by Contractual Maturity Date [Table Text Block]

		Available for Sale								Held to Maturity
		Amortized Cost				Fair Value				Amortized Cost				Fair Value
Due within one year		$	796			$	783			$	10,820			$	10,698
Due after one year through five years			28,704				26,521				23,107				21,835
Due after five years through ten years			32,673				29,684				17,972				16,117
Due after ten years			107,681				90,687				74,042				65,439
		$	169,854			$	147,675			$	125,941			$	114,089

Marketable Securities [Table Text Block]

		March 31, 2024				December 31, 2023
Federal Home Loan Bank stock		$	999			$	965
Federal Reserve Bank stock			981				981
Community Bankers’ Bank stock			132				132
		$	2,112			$	2,078

Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block]

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
March 31, 2024
Aaa		$	19,277			$	22,994			$	2,802			$	—			$	45,073
Aa1 / Aa2 / Aa3			—				—				8,843				—				8,843
Baa1 / Baa2 / Baa3			—				—				—				3,000				3,000
Not rated - Agency (1)			—				69,025				—				—				69,025
Total		$	19,277			$	92,019			$	11,645			$	3,000			$	125,941
December 31, 2023
Aaa		$	39,085			$	22,936			$	2,807			$	—			$	64,828
Aa1 / Aa2 / Aa3			—				—				8,842				—				8,842
Baa1 / Baa2 / Baa3			—				—				—				3,000				3,000
Not rated - Agency (1)			—				71,681				—				—				71,681
Total		$	39,085			$	94,617			$	11,649			$	3,000			$	148,351

Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block]

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
Balance, December 31, 2023		$	—			$	—			$	—			$	107			$	107
Provision for credit losses			—				—				1				8				9
Charge-offs of securities			—				—				—				—				—
Recoveries			—				—				—				—				—
Balance, March 31, 2024		$	—			$	—			$	1			$	115			$	116

X

- Definition

The tabular disclosure of amortized costs, unrealized gains (losses), and fair values of available-for-sale and held-to-maturity securities.

+ References

No definition available.

+ Details

Name:	fxnc_ScheduleOfAvailableforsaleAndHeldtomaturityReconciliationTableTextBlock
Namespace Prefix:	fxnc_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of credit quality indicator for investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_DebtSecuritiesHeldToMaturityCreditQualityIndicatorTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of realized and unrealized gain (loss) on investment in security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_GainLossOnInvestmentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

+ References

No definition available.

+ Details

Name:	us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration