XML 39 R27.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 2 - Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Notes Tables |
Schedule of Available-for-sale and Held-to-maturity Reconciliation [Table Text Block] |
|  | September 30, 2020 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 84,217 |  |  | $ | 3,260 |  |  | $ | (14 | ) |  | $ | 87,463 |
Obligations of states and political subdivisions |  |  | 28,706 |  |  |  | 963 |  |  |  | — |  |  |  | 29,669 |
Total securities available for sale |  | $ | 112,923 |  |  | $ | 4,223 |  |  | $ | (14 | ) |  | $ | 117,132 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 10,450 |  |  | $ | 302 |  |  | $ | — |  |  | $ | 10,752 |
Obligations of states and political subdivisions |  |  | 3,151 |  |  |  | 150 |  |  |  | — |  |  |  | 3,301 |
Corporate debt securities |  |  | 1,500 |  |  |  | 85 |  |  |  | — |  |  |  | 1,585 |
Total securities held to maturity |  | $ | 15,101 |  |  | $ | 537 |  |  | $ | — |  |  | $ | 15,638 |
Total securities |  | $ | 128,024 |  |  | $ | 4,760 |  |  | $ | (14 | ) |  | $ | 132,770 |
|  | December 31, 2019 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized (Losses) |  |  | Fair Value |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 94,461 |  |  | $ | 778 |  |  | $ | (334 | ) |  | $ | 94,905 |
Obligations of states and political subdivisions |  |  | 25,607 |  |  |  | 476 |  |  |  | (5 | ) |  |  | 26,078 |
Total securities available for sale |  | $ | 120,068 |  |  | $ | 1,254 |  |  | $ | (339 | ) |  | $ | 120,983 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 12,528 |  |  | $ | 6 |  |  | $ | (80 | ) |  | $ | 12,454 |
Obligations of states and political subdivisions |  |  | 3,599 |  |  |  | 81 |  |  |  | — |  |  |  | 3,680 |
Corporate debt securities |  |  | 1,500 |  |  |  | 12 |  |  |  | — |  |  |  | 1,512 |
Total securities held to maturity |  | $ | 17,627 |  |  | $ | 99 |  |  | $ | (80 | ) |  | $ | 17,646 |
Total securities |  | $ | 137,695 |  |  | $ | 1,353 |  |  | $ | (419 | ) |  | $ | 138,629 |
Schedule of Temporary Impairment Losses, Investments [Table Text Block] |
|  | September 30, 2020 |
|  | 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. agency and mortgage-backed securities |  | $ | 3,093 |  |  | $ | (14 | ) |  | $ | — |  |  | $ | — |  |  | $ | 3,093 |  |  | $ | (14 | )
Total securities available for sale |  | $ | 3,093 |  |  | $ | (14 | ) |  | $ | — |  |  | $ | — |  |  | $ | 3,093 |  |  | $ | (14 | )
|  | December 31, 2019 |
|  | 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. agency and mortgage-backed securities |  | $ | 29,853 |  |  | $ | (207 | ) |  | $ | 13,083 |  |  | $ | (127 | ) |  | $ | 42,936 |  |  | $ | (334 | )
Obligations of states and political subdivisions |  |  | 1,373 |  |  |  | (5 | ) |  |  | — |  |  |  | — |  |  |  | 1,373 |  |  |  | (5 | )
Total securities available for sale |  | $ | 31,226 |  |  | $ | (212 | ) |  | $ | 13,083 |  |  | $ | (127 | ) |  | $ | 44,309 |  |  | $ | (339 | )
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. agency and mortgage-backed securities |  | $ | 3,516 |  |  | $ | (10 | ) |  | $ | 5,936 |  |  | $ | (70 | ) |  | $ | 9,452 |  |  | $ | (80 | )
Total securities held to maturity |  | $ | 3,516 |  |  | $ | (10 | ) |  | $ | 5,936 |  |  | $ | (70 | ) |  | $ | 9,452 |  |  | $ | (80 | )
Total securities |  | $ | 34,742 |  |  | $ | (222 | ) |  | $ | 19,019 |  |  | $ | (197 | ) |  | $ | 53,761 |  |  | $ | (419 | )
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 |  | $ | 1,409 |  |  | $ | 1,416 |  |  | $ | 392 |  |  | $ | 397 |
Due after one year through five years |  |  | 13,424 |  |  |  | 13,984 |  |  |  | 4,547 |  |  |  | 4,710 |
Due after five years through ten years |  |  | 31,236 |  |  |  | 32,563 |  |  |  | 3,973 |  |  |  | 4,148 |
Due after ten years |  |  | 66,854 |  |  |  | 69,169 |  |  |  | 6,189 |  |  |  | 6,383 |
|  | $ | 112,923 |  |  | $ | 117,132 |  |  | $ | 15,101 |  |  | $ | 15,638 |
Marketable Securities [Table Text Block] |
|  | September 30, 2020 |  |  | December 31, 2019 |
Federal Home Loan Bank stock |  | $ | 818 |  |  | $ | 776 |
Federal Reserve Bank stock |  |  | 980 |  |  |  | 980 |
Community Bankers’ Bank stock |  |  | 50 |  |  |  | 50 |
|  | $ | 1,848 |  |  | $ | 1,806 |

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: | nonnum: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: | nonnum: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: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investments in an unrealized loss position for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), including: (a) the aggregate related fair value of investments with unrealized losses, (b) the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfTemporaryImpairmentLossesInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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