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Note 16 - Leases (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Assets and Liabilities, Lessee [Table Text Block]

	Classification in the Consolidated Balance Sheet		March 31, 2020
Operating lease right-of-use asset	Other assets		$	293
Operating lease liability	Accrued interest payable and other liabilities			289

Lease, Cost [Table Text Block]

		March 31, 2020
Weighted average remaining lease term, in years			2.7
Weighted average discount rate			2.60	%

		Three Months Ended
		March 31, 2020				March 31, 2019
Lease Expense
Operating lease expense		$	33			$	33
Short-term lease expense			1				2
Total lease expense (1)		$	34			$	35
Cash paid for amounts included in lease liability		$	34			$	34

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

		March 31, 2020
Nine months ending December 31, 2020		$	94
Twelve months ending December 31, 2021			109
Twelve months ending December 31, 2022			85
Twelve months ending December 31, 2023			11
Total undiscounted cash flows		$	299
Less: discount			(10	)
Operating lease liability		$	289

X

- Definition

The tabular disclosure of the lessee's operating lease assets and liabilities.

+ References

No definition available.

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Namespace Prefix:	fxnc_
Data Type:	nonnum:textBlockItemType
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X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

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X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

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- References

No definition available.

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Data Type:	xbrli:stringItemType
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Period Type:	duration