EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	4 Months Ended	12 Months Ended
	Apr. 30, 2014	Mar. 31, 2014	Apr. 30, 2014	Dec. 31, 2013	Dec. 31, 2015
KKR Fund Holdings
Earnings per common share
Number of common shares held					100
Predecessor Company
Reconciliation of basic and diluted net income and distributions per common share
Net income (loss)	$ (2,203)	$ 108,183	$ 105,980	$ 293,230
Less: Preferred share distributions	0	6,891	6,891	27,411
Net income (loss) available to common shares	$ (2,203)	$ 101,292	99,089	265,819
Less: Dividends and undistributed earnings allocated to participating securities			292	904
Net income (loss) allocated to common shares			$ 98,797	$ 264,915
Basic:
Basic weighted average common shares outstanding	204,398,000	204,236,000	204,276,000	202,411,000
Net income (loss) per common share (in dollars per share)	$ (0.01)	$ 0.49	$ 0.48	$ 1.31
Diluted:
Diluted weighted average common shares outstanding	204,398,000	204,236,000	204,276,000	202,411,000
Net income (loss) per common share (in dollars per share)	$ (0.01)	$ 0.49	$ 0.48	$ 1.31
Distribution declared (in dollars per share)			$ 0.22	$ 0.90
Anti-dilutive securities
Anti-dilutive securities excluded from diluted earnings per share calculations (in shares)				1,932,279