Consolidated Joint Venture Preferred Equity/Capital (Details) (Knickerbocker [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Business Acquisition [Line Items]
Total Proceeds from Sale of Preferred Equity Under the Immigrant Investor Program	$ 45
Sale of Preferred Equity Under the Immigrant Investor Program, Percent	3.50%
Current Annual Return	3.25%
Non-compounding Annual Return	0.25%
Redemption Term	5 years
Current Return Increase	8.00%
Gross Proceeds received to date from sale of preferred equity under the Immigrant Investor Program	42.0
Gross Proceeds Net of Issuance Costs from Sale of Preferred Equity Under the Immigrant Investor Program	41.4
Proceeds not yet received from Immigrant Investor Program	1.9
Proceeds Received from Investor Immigration Program Subsequent to Year End	$ 1.1
Ninety-five Percent Owned [Member]
Business Acquisition [Line Items]
Controlling Interest, Ownership Percentage by Parent	95.00%