Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_SubordinatedDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Subordinated Debt (Details) - USD ($)		12 Months Ended
Subordinated Debt (Details) - USD ($)	Apr. 01, 2019	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Subordinated debt		$ 7,517,000	$ 0
Subordinated borrowing, interest rate	6.75%
Subordinated Debt
Debt Instrument [Line Items]
Subordinated debt, fair value adjustment		$ 17,000
HomeTown Bankshares Corporation Merger
Debt Instrument [Line Items]
Subordinated debt	$ 7,500,000
HomeTown Bankshares Corporation Merger \| Subordinated Debt
Debt Instrument [Line Items]
Subordinated debt, fair value adjustment	$ 30,000