UNAUDITED QUARTERLY INFORMATION (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Revenues | $ 178.7 | $ 185.8 | $ 218.3 | $ 190.7 | $ 181.3 | $ 272.5 | $ 180.4 | $ 167.6 | $ 773.5 | $ 801.8 | $ 690.4 |
| Expenses | 187.8 | 177.2 | 212.5 | 188.9 | 206.0 | 231.2 | 178.3 | 155.3 | 766.4 | 770.8 | 691.9 |
| Income from unconsolidated investments | 66.3 | 11.2 | 190.9 | (5.4) | 112.9 | (35.2) | 28.5 | (15.5) | 78.7 | 77.8 | 139.6 |
| Income before benefit from (provision for) income taxes | 57.2 | 19.8 | 196.7 | (3.6) | 88.2 | 6.1 | 30.6 | (3.2) | 270.1 | 121.7 | 90.5 |
| (Provision for) benefit from income taxes | (24.3) | (6.9) | (29.4) | 2.6 | 17.2 | 3.7 | (8.8) | 4.2 | (58.0) | 16.3 | (14.0) |
| Net income | 32.9 | 12.9 | 167.3 | (1.0) | 105.4 | 9.8 | 21.8 | 1.0 | 212.1 | 138.0 | 76.5 |
| Net income attributable to the noncontrolling interests | (2.2) | (0.8) | (57.7) | (1.4) | (6.2) | (18.7) | (12.4) | (0.2) | (62.1) | (37.5) | (70.9) |
| Net income attributable to Kennedy-Wilson Holdings, Inc. common shareholders | $ 30.7 | $ 12.1 | $ 109.6 | $ (2.4) | $ 99.2 | $ (8.9) | $ 9.4 | $ 0.8 | $ 150.0 | $ 100.5 | $ 2.8 |
| Basic (loss) earnings per share (in dollars per share) | $ 0.21 | $ 0.09 | $ 0.77 | $ (0.02) | $ 0.69 | $ (0.08) | $ 0.08 | $ 0.00 | $ 1.04 | $ 0.83 | $ 0.01 |
| Income per diluted (in dollars per share) | $ 0.21 | $ 0.09 | $ 0.77 | $ (0.02) | $ 0.69 | $ (0.08) | $ 0.08 | $ 0.00 | $ 1.04 | $ 0.83 | $ 0.01 |
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- Definition Income (Loss) From Unconsolidated Investments No definition available.
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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