Exchange ratio of equity interests issued or issuable to acquire entity.

No definition available.

Name:	pkkw_BusinessAcquisitionEquityInterestIssuedOrIssuableExchangeRatio
Namespace Prefix:	pkkw_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of income earned from credit card services (including late, over limit, and annual fees) and debit card services (including interchange fees, annual fees and other fees). Excludes interest income earned on credit card balances and transactions.

+ References

No definition available.

+ Details

Name:	pkkw_FeesCreditAndDebitCards
Namespace Prefix:	pkkw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the ownership percentage in newly issued shares.

+ References

No definition available.

+ Details

Name:	pkkw_OwnershipPercentageInNewlyIssuedShares
Namespace Prefix:	pkkw_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revenue from insurance services, including net premiums earned, gain on sale of insurance block, agency management fees and insurance contract fees and commissions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.1,4)
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

Name:	us-gaap_InsuranceServicesRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of shares of stock issued during the period pursuant to acquisitions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesAcquisitions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of stock issued pursuant to acquisitions during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueAcquisitions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pkkw_GraysonBanksharesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=pkkw_ParkwayAcquisitionCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pkkw_CardinalBanksharesCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CoreDepositsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pkkw_GreatStateBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) $ in Thousands			3 Months Ended		6 Months Ended
	Jul. 01, 2018 USD ($) shares	Jul. 01, 2016	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Fees, Credit and Debit Cards			$ 93	$ 85	$ 189	$ 188
Insurance Services Revenue, Total			$ 16	$ 8	$ 31	$ 17
Grayson Bankshares, Inc [Member]
Business Acquisition, Equity Interest Issued or Issuable, Exchange Ratio		1.76
Grayson Bankshares, Inc [Member] \| Parkway Acquisition Corp. [Member]
Ownership Percentage in Newly Issued Shares		60.00%
Cardinal Bankshares Corporation [Member]
Business Acquisition, Equity Interest Issued or Issuable, Exchange Ratio		1.30
Cardinal Bankshares Corporation [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)					20 years
Cardinal Bankshares Corporation [Member] \| Parkway Acquisition Corp. [Member]
Ownership Percentage in Newly Issued Shares		40.00%
Great State Bank [Member]
Business Acquisition, Equity Interest Issued or Issuable, Exchange Ratio	1.21
Stock Issued During Period, Shares, Acquisitions (in shares) \| shares	1,191,899
Stock Issued During Period, Value, Acquisitions	$ 15,500
Great State Bank [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)					7 years