Revenue from the sale of advertising time (such as television and radio) or space (newspaper or magazine pages). May also include advertising, marketing and promotional services rendered during the reporting period.

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Amount of fixed fee revenue for the management of an investment fund portfolio. Excludes investment advisory, distribution and servicing, and performance fees.

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Base revenue, as contractually stipulated, for operating and managing another entity's business during the reporting period.

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The percentage charged for managing real estate properties.

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Related Party Transactions (Details) - USD ($)	12 Months Ended
Related Party Transactions (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Related Party Transaction [Line Items]
Advertising Revenue	$ 154,000	$ 300,000	$ 70,000
Joint Venture Apartment Communities
Related Party Transaction [Line Items]
Asset Management Fees		19,000	93,000
Due from related parties		15,000	1,800,000
Minimum \| Joint Venture Apartment Communities
Related Party Transaction [Line Items]
Joint venture property management fee (percentage)	4.00%
Maximum \| Joint Venture Apartment Communities
Related Party Transaction [Line Items]
Joint venture property management fee (percentage)	4.25%
Parent Company [Member]
Related Party Transaction [Line Items]
Management fees income	$ 0	154,000	647,000
Limited Partner [Member]
Related Party Transaction [Line Items]
Management fees income	0	154,000	$ 647,000
Due to Related Parties, Current	$ 19,000	$ 19,000