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Commitments And Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Anticipated expenditures relating to completion of construction type contracts | $ 180.0 |  |
Rental expense | 2.8 | 2.9 | 3.0
Minimum annual rental commitments, 2012 | 2.4 |  |
Minimum annual rental commitments, 2013 | 2.4 |  |
Minimum annual rental commitments, 2014 | 2.2 |  |
Minimum annual rental commitments, 2015 | 1.4 |  |
Minimum annual rental commitments, 2016 | 0.2 |  |
Minimum annual rental commitments, thereafter | 0.7 |  |
Fund investment period | earlier of (i) April 8, 2012, or (ii) such time as 90% of the Fund's committed capital is invested, as the exclusive vehicle through which we will acquire fully-developed multifamily properties, subject to certain exceptions. |  |
Equity method investment, ownership percentage | 20.00% |  |
Number of senior officers under employment agreements | 9 |  |
Number of apartment projects with asserted claims during reporting period | 3 |  |
Number of associations which have filed suit against our subsidiary | 2 |  |
Percentage Of Invested Capital | 90.00% |  |
Maximum [Member] |  |  |
Equity method investment, ownership percentage | 50.00% |  |
Aggregate equity funds | 37.5 |  |
Funds from unaffiliated investor | 150 |  |
Maximum [Member] | Partnership Interest [Member] |  |  |
Less than joint venture economic interest noted | 100.00% |  |
Six Agreements [Member] |  |  |
Employee severance compensation under employment agreement | the severance payment equals one times the respective current annual base salary in the case of termination without cause and 2.99 times the respective average annual base salary over the previous three fiscal years in the case of a change of control and a termination of employment or a material adverse change in the scope of their duties. |  |
One Agreement [Member] |  |  |
Employee severance compensation under employment agreement | severance payment equals one times the respective current annual base salary for termination without cause and 2.99 times the greater of current gross income or average gross income over the previous three fiscal years in the case of a change of control. |  |
Two Agreements [Member] |  |  |
Employee severance compensation under employment agreement | severance payment generally equals 2.99 times the respective average annual compensation over the previous three fiscal years in connection with, among other things, a termination without cause or a change of control, and the officer would be entitled to receive continuation and vesting of certain benefits in the case of such termination. |  |
Fund Open For Future Investment [Member] |  |  |
Capital contribution | 23.7 |  |
Total capital contributions | 118.4 |  |
Fund Closed For Future Investment [Member] |  |  |
Capital contribution | 33.0 |  |
Total capital contributions | $ 165.0 |  |

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- Definition Number of apartment projects in Florida which were subsequently sold and converted to condominium units by unrelated third-parties. The unrelated third-parties have asserted claims against one of our wholly-owned subsidiaries which acted as general contractor for the construction of these apartment projects. + References No definition available. + Details
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