DERIVATIVE FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value and notional amounts of derivative contracts by major product type on a gross basis

	As of December 31, 2017								As of December 31, 2016
	Assets				Liabilities				Assets				Liabilities
The Company	Notional(1)		Fair Value		Notional(1)		Fair Value		Notional(1)		Fair Value		Notional(1)		Fair Value
Foreign exchange contracts	$	13,724	$	498	$	51,026	$	2,639	$	62,830	$	3,171	$	—	$	—
Total derivatives, at fair value	$	13,724	$	498	$	51,026	$	2,639	$	62,830	$	3,171	$	—	$	—

	As of December 31, 2017								As of December 31, 2016
	Assets				Liabilities				Assets				Liabilities
Consolidated Funds	Notional(1)		Fair Value		Notional(1)		Fair Value		Notional(1)		Fair Value		Notional(1)		Fair Value
Foreign exchange contracts	$	—	$	—	$	—	$	—	$	25,304	$	529	$	—	$	—
Asset swap - other	5,363		1,366		1,840		462		3,575		291		204		2,999
Total derivatives, at fair value	5,363		1,366		1,840		462		28,879		820		204		2,999
Other—equity(2)	—		—		—		—		253		24		—		—
Total	$	5,363	$	1,366	$	1,840	$	462	$	29,132	$	844	$	204	$	2,999

(1) Represents the total contractual amount of derivative assets and liabilities outstanding.

(2) Includes the fair value of warrants which are presented as equity securities within investments of the Consolidated Funds in the Consolidated Statements of Financial Condition.

Summary of net realized and unrealized appreciation (depreciation) on derivative instruments

The following tables present a summary of net realized gains (losses) and unrealized appreciation (depreciation) on the Company's derivative instruments, which are included within net realized and unrealized gain (loss) on investments in the Consolidated Statements of Operations, for the years ended December 31, 2017, 2016 and 2015:

	For the Year Ended December 31,
The Company	2017			2016			2015
Net realized gain (loss) on derivatives
Interest rate contracts—Swaps	$	—		$	(337	)	$	(1,318	)
Foreign exchange contracts:
Purchased options	—			—			2,022
Foreign currency forward contracts	(1,830		)	1,783			8,379
Net realized gain (loss) on derivatives	$	(1,830	)	$	1,446		$	9,083
Net change in unrealized appreciation (depreciation) on derivatives
Interest rate contracts—Swaps	$	—		$	214		$	633
Foreign exchange contracts:
Purchased options	—			—			(1,057		)
Foreign currency forward contracts	(5,299		)	2,008			(2,556		)
Net change in unrealized appreciation (depreciation) on derivatives	$	(5,299	)	$	2,222		$	(2,980	)

	For the Year Ended December 31,
Consolidated Funds	2017			2016			2015
Net realized gain (loss) on derivatives of Consolidated Funds
Foreign currency forward contracts	$	(181	)	$	(1,008	)	$	3,752
Asset swap - other	903			(1,322		)	(4,332		)
Net realized gain (loss) on derivatives of Consolidated Funds	$	722		$	(2,330	)	$	(580	)
Net change in unrealized appreciation (depreciation) on derivatives of Consolidated Funds
Equity contracts:
Warrants(1)	$	—		$	26		$	(71	)
Foreign exchange contracts:
Foreign currency forward contracts	(529		)	900			(1,867		)
Asset swap - other	2,338			7,685			(2,934		)
Net change in unrealized appreciation (depreciation) on derivatives of Consolidated Funds	$	1,809		$	8,611		$	(4,872	)

(1) Realized and unrealized gains (losses) on warrants are also reflected within investments of Consolidated Funds.

Schedule of setoff and related arrangements associated with the derivative and other financial instruments

The table below sets forth the rights of offset and related arrangements associated with the Company's derivative and other financial instruments as of December 31, 2017 and 2016. The column titled "Gross Amounts Not Offset in the Statement of Financial Position" in the table below relates to derivative instruments that are eligible to be offset in accordance with applicable accounting guidance but for which management has elected not to offset in the Consolidated Statements of Financial Condition.

									Gross Amount Not Offset in the Statement of Financial Position
The Company as of December 31, 2017	Gross Amounts of Recognized Assets (Liabilities)			Gross Amounts Offset in Assets (Liabilities)		Net Amounts of Assets (Liabilities) Presented			Financial Instruments			Net Amount
Assets:
Derivatives	$	498		$	—	$	498		$	(498	)	$	—
Liabilities:
Derivatives	(2,639		)	—		(2,639		)	498			(2,141		)
Net derivative liabilities	$	(2,141	)	$	—	$	(2,141	)	$	—		$	(2,141	)

							Gross Amount Not Offset in the Statement of Financial Position
The Company as of December 31, 2016	Gross Amounts of Recognized Assets (Liabilities)		Gross Amounts Offset in Assets (Liabilities)		Net Amounts of Assets (Liabilities) Presented		Financial Instruments		Net Amount
Assets:
Derivatives	$	3,171	$	—	$	3,171	$	—	$	3,171
Liabilities:
Derivatives	—		—		—		—		—
Net derivative assets	$	3,171	$	—	$	3,171	$	—	$	3,171

The table below sets forth the rights of offset and related arrangements associated with the Consolidated Funds' derivative and other financial instruments as of December 31, 2017 and 2016. The column titled "Gross Amounts Not Offset in the Statement of Financial Position" in the table below relates to derivative instruments that are eligible to be offset in accordance with applicable accounting guidance but for which management has elected not to offset in the Consolidated Statements of Financial Condition.

										Gross Amounts Not Offset in the Statement of Financial Position
Consolidated Funds as of December 31, 2017	Gross Amounts of Recognized Assets (Liabilities)			Gross Amounts Offset in Assets (Liabilities)			Net Amounts of Assets (Liabilities) Presented			Financial Instruments		Net Amount
Assets:
Derivatives	$	1,750		$	(384	)	$	1,366		$	—	$	1,366
Liabilities:
Derivatives	(846		)	384			(462		)	—		(462		)
Net derivatives assets	$	904		$	—		$	904		$	—	$	904

										Gross Amounts Not Offset in the Statement of Financial Position
Consolidated Funds as of December 31, 2016	Gross Amounts of Recognized Assets (Liabilities)			Gross Amounts Offset in Assets (Liabilities)			Net Amounts of Assets (Liabilities) Presented			Financial Instruments		Net Amount
Assets:
Derivatives	$	2,243		$	(1,423	)	$	820		$	—	$	820
Liabilities:
Derivatives	(4,422		)	1,423			(2,999		)	—		(2,999		)
Net derivatives liabilities	$	(2,179	)	$	—		$	(2,179	)	$	—	$	(2,179	)