Related Party Transactions	9 Months Ended
Related Party Transactions	Sep. 30, 2011
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	RELATED PARTY TRANSACTIONS In addition to the related party transactions discussed above in Note 3 and 4 and below in note 15, Kennedy-Wilson engaged in the following related party transactions during the three and nine months ended September 30, 2011: In May 2011, Kennedy-Wilson purchased an additional 24% (increasing its interest from 24% to 48%) interest in a condominium project in Northern California for $7.0 million from a related party fund. During the nine months ended September 30, 2011, a noncontrolling entity comprised of Kennedy-Wilson executives co-invested $1.7 million with Kennedy-Wilson for the acquisition of new joint venture investments. During the nine months ended September 30, 2011, a noncontrolling entity comprised of Kennedy-Wilson executives co-invested $0.7 million with Kennedy-Wilson to invest in the ordinary stock of the Bank of Ireland. During the three and nine months ended September 30, 2011, the firm of Kulik, Gottesman & Mouton Ltd. was paid $27,000 and $203,000, respectively, for legal services provided by the firm and $7,000 and $24,000, respectively, for director’s fees for Kent Mouton, a partner in the firm and a member of Kennedy-Wilson’s board of directors. During the three and nine months ended September 30, 2010, Kulik, Gottesman & Mouton Ltd. was paid $58,000 and $178,000, respectively, for legal services provided by the firm and $9,000 and $36,000, respectively, for director’s fees for Kent Mouton. During the three and nine months ended September 30, 2011, the firm of Solomon, Winnett & Rosenfield was paid $52,000 and $144,000, respectively, for income tax services provided by the firm. Jerry Solomon, a partner in the firm and a member of Kennedy-Wilson’s board of directors, was paid $7,000 and $24,000, respectively, for director’s fees for the same period. During the three and nine months ended September 30, 2010, Solomon, Winnett & Rosenfield was paid $62,000 and $147,000, respectively, for income tax services provided by the firm. Jerry Solomon was paid $9,000 and $33,000, respectively, for director’s fees for the same periods.

The entire disclosure for related party transactions, including the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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