Document and Entity Information Document	3 Months Ended
	Mar. 31, 2017 shares
Document Information [Line Items]
Entity Registrant Name	Innophos Holdings, Inc.
Trading Symbol	IPHS
Entity Central Index Key	0001364099
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding	19,475,127
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes