Investment in Unconsolidated Ventures - Summary of Financial Position of Real Estate Ventures (Parenthetical) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Coppell Associates [Member]
Schedule Of Equity Method Investments [Line Items]
Company's share of equity (Company's basis)	[1]	$ 1,130	$ 1,214

[1] Carrying amount represents the negative investment balance of the venture and is included in other liabilities.