Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue
Rental	$ 125.5	$ 122.9	$ 373.6	$ 363.1
Hotel	37.3	31.4	95.8	87.3
Sale of real estate	89.8	2.5	103.4	16.7
Investment management, property services and research fees (includes $7.5, $5.4, $17.5, and $22.9 of related party fees)	16.1	14.1	41.3	46.7
Loan purchases, loan originations and other	8.5	3.4	15.0	9.2
Total revenue	277.2	174.3	629.1	523.0
Operating expenses
Rental operating	38.0	34.6	110.5	98.4
Hotel operating	26.1	23.8	73.3	71.9
Cost of real estate sold	63.4	2.5	73.7	13.1
Commission and marketing	2.1	2.5	5.9	6.0
Compensation and related	35.4	42.2	113.5	128.4
General and administrative	10.8	10.5	30.7	32.5
Depreciation and amortization	55.4	50.0	157.2	147.3
Total operating expenses	231.2	166.1	564.8	497.6
Income from unconsolidated investments	12.9	31.7	48.8	59.3
Operating income	58.9	39.9	113.1	84.7
Non-operating income (expense)
Gain on sale of real estate	5.3	21.5	77.0	76.0
Acquisition-related gains	0.0	7.6	0.0	16.2
Acquisition-related expenses	(1.0)	(1.0)	(2.3)	(9.4)
Interest expense-investment	(37.9)	(36.8)	(107.8)	(102.9)
Interest expense-corporate	(18.9)	(14.5)	(51.1)	(38.8)
Other (loss) income	(0.3)	1.9	4.6	7.6
Income before benefit from (provision for) income taxes	6.1	18.6	33.5	33.4
Benefit from (provision for) income taxes	3.7	(5.5)	(0.9)	(2.1)
Net income	9.8	13.1	32.6	31.3
Net income attributable to the noncontrolling interests	(18.7)	(15.1)	(31.3)	(41.3)
Preferred dividends and accretion of preferred stock issuance costs	0.0	(0.5)	0.0	(1.6)
Net (loss) income attributable to Kennedy-Wilson Holdings, Inc. common shareholders	$ (8.9)	$ (2.5)	$ 1.3	$ (11.6)
Basic (loss) income per share
(Loss) income per basic (in dollars per share)	$ (0.08)	$ (0.03)	$ 0.01	$ (0.12)
Weighted average shares outstanding for basic (in shares)	111,966,716	108,634,228	111,955,924	108,966,540
Diluted (loss) income per share
(Loss) income per diluted (in dollars per share)	$ (0.08)	$ (0.03)	$ 0.01	$ (0.12)
Weighted average shares outstanding for diluted (in shares)	111,966,716	108,634,228	111,955,924	108,966,540
Dividends declared per common share (in dollars per share)	$ 0.17	$ 0.14	$ 0.51	$ 0.42