EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	4 Months Ended
	Apr. 30, 2014	Dec. 31, 2016
KKR Fund Holdings
Earnings per common share
Number of common shares held (in shares)		100
Predecessor Company
Reconciliation of basic and diluted net income and distributions per common share
Net income (loss)	$ 105,980
Less: Preferred share distributions	6,891
Net income (loss) available to common shares	99,089
Less: Dividends and undistributed earnings allocated to participating securities	292
Net income (loss) allocated to common shares	$ 98,797
Basic:
Basic weighted average common shares outstanding (in shares)	204,276,000
Net income (loss) per common share (in dollars per share)	$ 0.48
Diluted:
Diluted weighted average common shares outstanding (in shares)	204,276,000
Net income (loss) per common share (in dollars per share)	$ 0.48
Distribution declared (in dollars per share)	$ 0.22
Anti-dilutive securities
Anti-dilutive securities excluded from diluted earnings per share calculations (in shares)	1,932,279