Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Nov. 14, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Trading Symbol	OTC
Entity Registrant Name	Parkway Acquisition Corp.
Entity Central Index Key	0001657642
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		5,021,376