UNITHOLDERS' CAPITAL - Additional Information (Detail) (USD $)	0 Months Ended		1 Months Ended	3 Months Ended												12 Months Ended
	Feb. 13, 2014	May 29, 2013	Jun. 30, 2012	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Stock [Line Items]
OCGH non-controlling interest in consolidated subsidiaries				$ 1,234,169,000				$ 1,087,491,000								$ 1,234,169,000	$ 1,087,491,000
Proceeds from issuance of Class A units, net																419,908,000	322,260,000	0
Class A Units
Class of Stock [Line Items]
Distribution Per Unit (in dollars per share)	$ 4.66			$ 0.74	$ 1.51	$ 1.41	$ 1.05	$ 0.55	$ 0.79	$ 0.55	$ 0.42	$ 0.29	$ 0.51	$ 0.64	$ 0.90	$ 4.71	$ 2.31	$ 2.34
Stocks sold by Oaktree Capital Group, LLC (in shares)		8,050,000.00
Share price (in dollars per share)		$ 53.50
Proceeds from issuance of Class A units, net		419,900,000
Cancellation of units (in shares)			400,000													0		0
Stock repurchased and canceled during period value			14,100,000
Treasury stock acquired (in dollars per share)			$ 35.30
OCGH
Class of Stock [Line Items]
Unitholders' capital (in shares)				112,584,211				120,267,503								112,584,211	120,267,503
OCGH non-controlling interest in consolidated subsidiaries				1,234,169,000				1,087,491,000								1,234,169,000	1,087,491,000
Oaktree Operating Group
Class of Stock [Line Items]
Total Oaktree Operating Group units (in shares)				151,056,717				150,448,436								151,056,717	150,448,436
OCGH non-controlling interest in consolidated subsidiaries				$ 1,655,911,000				$ 1,360,331,000								$ 1,655,911,000	$ 1,360,331,000