Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other assets, at fair value	$ 22,048	$ 21,341
Other liabilities, at fair value	0	$ 8,204
Other liabilities of Och-Ziff funds, at fair value	$ 0
Class A Shares
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	185,126,953	184,843,255
Common stock, shares outstanding	185,126,953	184,843,255
Class B Shares
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	267,489,478	297,317,019
Common stock, shares outstanding	267,489,478	297,317,019