XML 35 R23.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Note 2 - Securities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Notes Tables |
Schedule of Available-for-sale and Held-to-maturity Reconciliation [Table Text Block] |
|  | June 30, 2024 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |  |  | Allowance for Credit Losses |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 12,480 |  |  | $ | — |  |  | $ | (1,019 | ) |  | $ | 11,461 |  |  | $ | — |
U.S. agency and mortgage-backed securities |  |  | 90,869 |  |  |  | 52 |  |  |  | (12,091 | ) |  |  | 78,830 |  |  |  | — |
Obligations of states and political subdivisions |  |  | 63,377 |  |  |  | 2 |  |  |  | (8,854 | ) |  |  | 54,525 |  |  |  | — |
Total securities available for sale |  | $ | 166,726 |  |  | $ | 54 |  |  | $ | (21,964 | ) |  | $ | 144,816 |  |  | $ | — |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 19,404 |  |  | $ | — |  |  | $ | (310 | ) |  | $ | 19,094 |  |  | $ | — |
U.S. agency and mortgage-backed securities |  |  | 89,911 |  |  |  | — |  |  |  | (9,556 | ) |  |  | 80,355 |  |  |  | — |
Obligations of states and political subdivisions |  |  | 11,291 |  |  |  | 27 |  |  |  | (1,039 | ) |  |  | 10,279 |  |  |  | (1 | )
Corporate debt securities |  |  | 3,000 |  |  |  | — |  |  |  | (486 | ) |  |  | 2,514 |  |  |  | (108 | )
Total securities held to maturity |  | $ | 123,606 |  |  | $ | 27 |  |  | $ | (11,391 | ) |  | $ | 112,242 |  |  | $ | (109 | )
Total securities |  | $ | 290,332 |  |  | $ | 81 |  |  | $ | (33,355 | ) |  | $ | 257,058 |  |  | $ | (109 | )
|  | 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] |
|  | June 30, 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 |  | $ | — |  |  | $ | — |  |  | $ | 11,461 |  |  | $ | (1,019 | ) |  | $ | 11,461 |  |  | $ | (1,019 | )
U.S. agency and mortgage-backed securities |  |  | 367 |  |  |  | (6 | ) |  |  | 73,849 |  |  |  | (12,085 | ) |  |  | 74,216 |  |  |  | (12,091 | )
Obligations of states and political subdivisions |  |  | 5,288 |  |  |  | (252 | ) |  |  | 48,135 |  |  |  | (8,602 | ) |  |  | 53,423 |  |  |  | (8,854 | )
Total securities available for sale |  | $ | 5,655 |  |  | $ | (258 | ) |  | $ | 133,445 |  |  | $ | (21,706 | ) |  | $ | 139,100 |  |  | $ | (21,964 | )
|  | 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 |  | $ | 1,111 |  |  | $ | 1,096 |  |  | $ | 10,534 |  |  | $ | 10,456 |
Due after one year through five years |  |  | 30,939 |  |  |  | 28,641 |  |  |  | 23,167 |  |  |  | 21,987 |
Due after five years through ten years |  |  | 31,574 |  |  |  | 28,077 |  |  |  | 17,399 |  |  |  | 15,655 |
Due after ten years |  |  | 103,101 |  |  |  | 87,002 |  |  |  | 72,505 |  |  |  | 64,144 |
|  | $ | 166,726 |  |  | $ | 144,816 |  |  | $ | 123,606 |  |  | $ | 112,242 |
Marketable Securities [Table Text Block] |
|  | June 30, 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 |
June 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aaa |  | $ | 19,404 |  |  | $ | 23,053 |  |  | $ | 2,797 |  |  | $ | — |  |  | $ | 45,254 |
Aa1 / Aa2 / Aa3 |  |  | — |  |  |  | — |  |  |  | 8,494 |  |  |  | — |  |  |  | 8,494 |
Baa1 / Baa2 / Baa3 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,000 |  |  |  | 3,000 |
Not rated - Agency (1) |  |  | — |  |  |  | 66,858 |  |  |  | — |  |  |  | — |  |  |  | 66,858 |
Total |  | $ | 19,404 |  |  | $ | 89,911 |  |  | $ | 11,291 |  |  | $ | 3,000 |  |  | $ | 123,606 |
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 |  |  |  | 1 |  |  |  | 2 |
Charge-offs of securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Balance, June 30, 2024 |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 108 |  |  | $ | 109 |
|  | 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, 2022 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Adjustment for adoption of ASU 2016-13 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 134 |  |  |  | 134 |
Provision for credit losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 10 |  |  |  | 10 |
Charge-offs of securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Recoveries |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (37 | ) |  |  | (37 | )
Balance, December 31, 2023 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 107 |  |  | $ | 107 |

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