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Commitments And Contingencies (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Jan. 11, 2018 | Jun. 01, 2017
Number of Operating properties Acquired |  |  | 1 |  |  |  |  |
Number of consolidated projects under construction |  |  | 7 |  |  |  |  |
Anticipated expenditures relating to completion of construction type contracts |  |  | $ 282,300 |  |  |  |  |
Earnest Money Deposits |  |  | 5,200 |  |  |  |  |
Rental expense |  |  | 4,000 |  | $ 4,100 | $ 3,400 |  |
Minimum annual rental commitments, 2017 |  |  | 2,900 |  |  |  |  |
Minimum annual rental commitments, 2019 |  |  | 2,800 |  |  |  |  |
Operating Leases, Future Minimum Payments, Due in Three Years |  |  | 2,800 |  |  |  |  |
Minimum annual rental commitments, 2020 |  |  | 2,800 |  |  |  |  |
Minimum annual rental commitments, 2021 |  |  | 2,600 |  |  |  |  |
Minimum annual rental commitments, thereafter |  |  | 6,700 |  |  |  |  |
Direct Costs of Leased and Rented Property or Equipment |  |  | 217,817 |  | 206,780 | 202,105 |  |
General and Administrative Expense |  |  | 50,587 |  | 47,415 | 46,233 |  |
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions | [1] |  | 6,822 | [2] | 7,125 | 6,168 |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  | 250
Payments to Acquire Real Estate |  |  | $ 58,267 |  | $ 0 | $ 0 |  |
Partnership Interest [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Less than joint venture economic interest noted |  |  | 100.00% |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  | 1 |  |  |  |  |  |
Increase (Decrease) in Earnest Money Deposits Outstanding |  | $ 5,000 |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  | 358 |
Payments to Acquire Real Estate |  | $ 126,900 |  |  |  |  |  |
Hurricane [Member] |  |  |  |  |  |  |  |
General and Administrative Expense |  |  | $ 700 |  |  |  |  |
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions |  |  | 400 |  |  |  |  |
Hurricane [Member] | Consolidated Entities [Member] |  |  |  |  |  |  |  |
Direct Costs of Leased and Rented Property or Equipment |  |  | $ 3,900 |  |  |  |  |
[1] | Equity in income excludes our ownership interest of fee income from various services provided by us to the Funds
[2] | Equity in income for the year ended December 31, 2017 includes our ownership interest of the hurricane related expenses of approximately $0.4 million.

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