Consolidated Statements of Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
General and administrative	$ 9.2	$ 8.9	$ 26.5	$ 24.7
Depreciation and amortization	46.1	39.2	132.7	125.3
Total revenue	139.6	114.4	400.4	322.2
Principal co-investments	30.3	96.8	147.9	151.9
Performance allocations	(18.0)	46.3	0.5	62.0
Total income from unconsolidated subsidiaries	12.3	143.1	148.4	213.9
Gain on sale of real estate, net	37.0	15.0	50.8	417.0
Share-based compensation	7.3	6.9	21.7	21.9
Performance allocation compensation	(6.6)	2.9	3.2	3.2
Total expenses	129.7	124.4	397.3	379.1
Interest expense	(57.1)	(45.3)	(160.8)	(141.4)
Loss on early extinguishment of debt	(1.3)	0.0	(2.4)	(38.6)
Other income	36.7	0.3	46.1	(3.7)
Income before income taxes	37.5	103.1	85.2	390.3
Provision for income taxes	(13.9)	(30.6)	(22.5)	(98.2)
Net income	23.6	72.5	62.7	292.1
Net loss (income) attributable to the noncontrolling interests	0.7	(2.3)	0.5	(3.5)
Preferred dividends	(7.9)	(4.3)	(21.0)	(12.9)
Net income attributable to Kennedy-Wilson Holdings, Inc. common shareholders	$ 16.4	$ 65.9	$ 42.2	$ 275.7
(Loss) income per share (in dollars per share)	$ 0.12	$ 0.48	$ 0.31	$ 1.98
Weighted average shares outstanding (in shares)	136,840,874	138,934,754	136,832,102	138,989,733
Loss (income) per share (in dollars per share)	$ 0.12	$ 0.47	$ 0.31	$ 1.96
Weighted average shares outstanding (in shares)	137,078,495	139,437,126	137,136,352	140,565,582
Dividends declared per common share (in dollars per share)	$ 0.24	$ 0.22	$ 0.72	$ 0.66
Investment management fees
Investment management and property services fees— related party	$ 11.2	$ 9.2	$ 33.5	$ 25.4
Total revenue	11.2	9.2	33.5	25.4
Property services fees
Total revenue	0.5	0.5	1.3	1.7
Rental
Cost of goods and services	38.6	32.4	110.7	97.8
Total revenue	110.9	96.1	324.4	279.7
Hotel
Cost of goods and services	8.6	3.7	20.5	7.8
Total revenue	14.0	6.2	33.2	9.2
Compensation and related
Cost of goods and services	26.5	30.4	82.0	98.4
Loan and other
Total revenue	$ 3.0	$ 2.4	$ 8.0	$ 6.2