Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 387,338	$ 464,545	$ 689,482
Adjustments to reconcile net income to net cash used in operating activities:
Adoption of revenue recognition standard	0	48,709	0
Investment income	(146,569)	(157,110)	(201,289)
Depreciation and amortization	20,287	25,862	15,776
Equity-based compensation	65,533	62,989	59,337
Net realized and unrealized (gain) loss from consolidated funds’ investments	7,836	188,120	(75,461)
Amortization (accretion) of original issue and market discount of consolidated funds’ investments, net	(3,625)	(4,999)	(3,816)
Income distributions from corporate investments in funds and companies	134,512	197,801	182,844
Other non-cash items	2,929	1,961	1,028
Cash flows due to changes in operating assets and liabilities:
Net cash used in operating activities	(3,133,647)	(617,017)	(336,305)
Cash flows from investing activities:
Purchases of U.S. Treasury and other securities	(602,600)	(1,048,083)	(610,474)
Proceeds from maturities and sales of U.S. Treasury and other securities	1,129,930	678,067	1,191,670
Corporate investments in funds and companies	(264,673)	(442,216)	(158,663)
Distributions and proceeds from corporate investments in funds and companies	495,509	324,898	264,226
Acquisition (BDCs)	0	0	(319,435)
Purchases of fixed assets	(6,764)	(5,816)	(29,413)
Proceeds from sale of fixed assets	0	0	5,048
Net cash provided by (used in) investing activities	751,402	(493,150)	342,959
Cash flows from financing activities:
Net cash provided by (used in) financing activities	2,730,302	994,983	(51,032)
Effect of exchange rate changes on cash	(8,289)	(239)	39,285
Net increase (decrease) in cash and cash-equivalents	339,768	(115,423)	(5,093)
Deconsolidation due to restructuring	(145,295)	0	0
Initial consolidation (deconsolidation) of funds	(184,407)	(12,315)	5,358
Cash and cash-equivalents, beginning balance	831,727	959,465	959,200
Cash and cash-equivalents, ending balance	841,793	831,727	959,465
Supplemental cash flow disclosures:
Cash paid for interest	136,385	131,113	146,341
Cash paid for income taxes	8,887	13,103	22,853
Supplemental disclosure of non-cash activities:
Net assets related to the initial consolidation of funds	162,630	0	296,971
Net assets related to the deconsolidation of funds	1,030,712	8,165	0
Net assets related to the deconsolidation due to restructuring	500,629	0	0
Oaktree Capital Group Excluding Consolidated Funds
Cash flows due to changes in operating assets and liabilities:
Decrease in deferred tax assets	122	13,122	202,294
(Increase) decrease in other assets	4,365	10,745	7,818
Increase (decrease) in net due to affiliates	177,615	(241,067)	(184,616)
Increase (decrease) in accrued compensation expense	(155,900)	161,526	(9,143)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	63,972	(22,537)	7,533
Cash flows from financing activities:
Proceeds from issuance of debt obligations	0	0	250,000
Repayments of debt obligations	0	0	(250,000)
Net proceeds from issuance of Class A units	0	219,750	0
Purchase of OCGH units	0	(219,525)	0
Repurchase and cancellation of units	(12,191)	(12,195)	(12,317)
Distributions to Class A unitholders	(439,433)	(210,941)	(206,212)
Distributions to preferred unitholders	(27,316)	(12,277)	0
Distributions to OCGH unitholders	(360,321)	(284,507)	(355,834)
Distributions to non-controlling interests	(3,421)	(4,921)	(4,784)
Net proceeds from issuance of preferred units	0	400,584	0
Payment of debt issuance costs	0	(2,235)	0
Cash and cash-equivalents, beginning balance	460,937	481,631
Cash and cash-equivalents, ending balance	323,550	460,937	481,631
Consolidated Funds
Cash flows due to changes in operating assets and liabilities:
Increase (decrease) in accounts payable, accrued expenses and other liabilities	61,380	13,632	2,802
Increase in dividends and interest receivable	(7,092)	(6,554)	(4,328)
Decrease in due from brokers	11,476	42,683	44,457
(Increase) decrease in receivables for securities sold	(25,285)	75,122	(101,668)
Increase in other assets	(5,251)	(286)	(286)
Increase (decrease) in payables for securities purchased	56,694	(118,813)	259,652
Purchases of securities	(6,684,118)	(4,949,238)	(5,337,361)
Proceeds from maturities and sales of securities	2,900,134	3,576,770	4,108,640
Cash flows from financing activities:
Proceeds from issuance of debt obligations	4,754,098	1,741,258	1,709,592
Repayments of debt obligations	(1,893,506)	(730,456)	(1,688,229)
Contributions from non-controlling interests	664,679	447,260	331,764
Distributions to non-controlling interests	(107,499)	(335,041)	(148,617)
Payment of debt issuance costs	(4,199)	(1,771)	(8,159)
Borrowings on credit facilities	531,411	0	702,100
Repayments on credit facilities	(372,000)	0	(370,336)
Cash and cash-equivalents, beginning balance	370,790	477,834
Cash and cash-equivalents, ending balance	$ 518,243	$ 370,790	$ 477,834