Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Feb. 26, 2016	Jun. 30, 2015
Entity Information [Line Items]
Entity Registrant Name	WORKIVA INC
Entity Central Index Key	0001445305
Document Type	10-K
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2015
Amendment Flag	false
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Public Float			$ 373.6
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		29,020,139
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		11,909,784