Mortgage Notes Receivable (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) loan		Dec. 31, 2015 USD ($) loan
Mortgage Notes Receivable [Abstract]
Number of mortgage notes receivable | loan	2		3
Carrying amount of mortgage notes receivable | $	$ 29,904	[1]	$ 41,600
Weighted average interest rate	9.90%		9.00%

[1] For Federal tax purposes, the aggregate tax basis is approximately $29.9 million as of December 31, 2016.