Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2020	May 08, 2020
Document And Entity Information [Abstract]
Entity Registrant Name	NantHealth, Inc.
Document Type	10-Q
Entity Central Index Key	0001566469
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Mar. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		110,619,678
Entity Emerging Growth Company	true
Entity Small Business	true
Entity Ex Transition Period	true
Entity Shell Company	false