Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2017	Apr. 27, 2017
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2017
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Trading Symbol	OZM
Entity Registrant Name	Och-Ziff Capital Management Group LLC
Entity Central Index Key	0001403256
Entity Filer Category	Large Accelerated Filer
Class A Shares
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		185,127,575
Class B Shares
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		267,489,478