Debt (Schedule of Construction Financing) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) item
Maximum [Member] | New York State [Member]
Debt Instrument [Line Items]
Interest rate	16.00%
US Union Square Line Of Credit [Member]
Debt Instrument [Line Items]
Facility Limit	$ 57,500
Advanced to Date	8,000
Remaining Facility	$ 49,500
Interest rate	2.95%
Maturity date	Dec. 29, 2019	[1]
Number of extension options | item	2
Extension period	1 year
US Union Square Line Of Credit [Member] | Bank Of The Ozarks [Member] | Senior Loan [Member]
Debt Instrument [Line Items]
Facility Limit	$ 8,000
Advanced to Date	$ 8,000
Spread over LIBOR	4.25%	[2]
Maturity date	Dec. 29, 2019	[3]
US Union Square Line Of Credit [Member] | Bank Of The Ozarks [Member] | Building Loan [Member]
Debt Instrument [Line Items]
Facility Limit	$ 31,130
Remaining Facility	$ 31,130
Spread over LIBOR	4.25%	[2]
Maturity date	Dec. 29, 2019	[3]
US Union Square Line Of Credit [Member] | Bank Of The Ozarks [Member] | Project Loan [Member]
Debt Instrument [Line Items]
Facility Limit	$ 10,870
Remaining Facility	$ 10,870
Spread over LIBOR	4.25%	[2]
Maturity date	Dec. 29, 2019	[3]
US Union Square Line Of Credit [Member] | Tammany Mezz Investor, LLC [Member] | Mezzanine Loan [Member]
Debt Instrument [Line Items]
Facility Limit	$ 7,500
Remaining Facility	$ 7,500
Spread over LIBOR	10.00%	[2]
Maturity date	Dec. 29, 2019	[3]
US Union Square Line Of Credit [Member] | Minimum [Member] | Bank Of The Ozarks [Member] | Senior Loan [Member]
Debt Instrument [Line Items]
Interest rate	4.75%	[2]
US Union Square Line Of Credit [Member] | Minimum [Member] | Bank Of The Ozarks [Member] | Building Loan [Member]
Debt Instrument [Line Items]
Interest rate	4.75%	[2]
US Union Square Line Of Credit [Member] | Minimum [Member] | Bank Of The Ozarks [Member] | Project Loan [Member]
Debt Instrument [Line Items]
Interest rate	4.75%	[2]
US Union Square Line Of Credit [Member] | Minimum [Member] | Tammany Mezz Investor, LLC [Member] | Mezzanine Loan [Member]
Debt Instrument [Line Items]
Interest rate	10.50%

[1] In December 2016, we successfully negotiated the construction financing for our Union Square redevelopment project, $8.0 million of which was advanced from the total construction loan limit of $57.5 million to repay the existing line of credit with East West Bank, which was originally scheduled to mature on July 2, 2017. Refer below for further discussions on this construction financing.

[2] Not to exceed the New York State maximum lawful borrowing rate, which typically is 16%.

[3] Allowable for up to two (2) extension request options, one (1) year for each extension request.