Notes Payable (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Notes Payable
Notes payable	$ 144,235		$ 144,235		$ 178,692
Deferred financing fees, net	(1,006)		(1,006)		(1,656)
Notes payable, net	143,229		143,229		177,036
Disposal Group, Including Discontinued Operation, Notes Payable, Gross	$ 33,500		$ 33,500		0
LIBOR rate (as a percent)	0.47%		0.47%
Long Term Debt, Including Disposal Group	$ 176,354		$ 176,354		177,036
Notes Payable, Other Payables [Member] | Courtyard Kauai at Coconut Beach Hotel
Notes Payable
Notes payable	38,000		$ 38,000		38,000
Variable rate basis			30-day LIBOR
Notes Payable, Other Payables [Member] | Florida MOB Portfolio - Gardens Medical Pavilion
Notes Payable
Notes payable	$ 13,101		$ 13,101		13,298
Interest rate (as a percent)	4.90%		4.90%
Notes Payable, Other Payables [Member] | River Club and the Townhomes at River Club (formerly referred to as the UGA Portfolio)
Notes Payable
Notes payable	$ 24,110		$ 24,110		24,299
Interest rate (as a percent)	5.26%		5.26%
Notes Payable, Other Payables [Member] | Lakes of Margate
Notes Payable
Notes payable	$ 14,371		$ 14,371		14,496
Notes Payable, Other Payables [Member] | Arbors Harbor Town
Notes Payable
Notes payable	$ 24,894		$ 24,894		25,130
Interest rate (as a percent)	3.985%		3.985%
Notes Payable, Other Payables [Member] | 22 Exchange
Notes Payable
Notes payable	$ 19,474		$ 19,474		19,500
Interest rate (as a percent)	3.93%		3.93%
Notes Payable, Other Payables [Member] | Parkside
Notes Payable
Notes payable	$ 10,285		$ 10,285		10,469
Interest rate (as a percent)	5.00%		5.00%
Debt instrument, unamortized premium	$ 300		$ 300
Notes Payable, Other Payables [Member] | Lakewood Flats [Member]
Notes Payable
Notes payable					33,500
Variable rate basis			30-day LIBOR
Prospect Park
Notes Payable
Interest capitalized	$ 100	$ 100	$ 200	$ 200
LIBOR | Notes Payable, Other Payables [Member] | Courtyard Kauai at Coconut Beach Hotel
Notes Payable
Variable rate (as a percent)			95.00%
LIBOR | Notes Payable, Other Payables [Member] | Lakewood Flats [Member]
Notes Payable
Variable rate (as a percent)			1.50%
Minimum [Member] | Notes Payable, Other Payables [Member] | Lakes of Margate
Notes Payable
Interest rate (as a percent)	5.49%		5.49%
Maximum [Member] | Notes Payable, Other Payables [Member] | Lakes of Margate
Notes Payable
Interest rate (as a percent)	5.92%		5.92%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Notes Payable
Disposal Group, Including Discontinued Operation, Notes Payable, Gross	$ 33,500		$ 33,500
Deferred financing fees	375		375		0
Notes payable held for sale	$ 33,125		$ 33,125		$ 0