Investment in Unconsolidated Entities - Cash Received and Distributions from Joint Venture (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of Equity Method Investments [Line Items]
Net change in cash and cash equivalents				$ (7,570)	$ 980
Torrance Joint Venture
Schedule of Equity Method Investments [Line Items]
Cash generated from other activities and excess cash		$ 0	$ 140	0	185
Net change in cash and cash equivalents		0	140		185
Torrance Joint Venture | Cerberus Capital Management
Schedule of Equity Method Investments [Line Items]
Joint venture, ownership interest sold, percentage	5.00%
NewINK Joint Venture
Schedule of Equity Method Investments [Line Items]
Cash generated from other activities and excess cash		1,542	2,107	4,111	4,599
Net change in cash and cash equivalents		1,542	2,107	4,111	4,599
Inland Joint Venture
Schedule of Equity Method Investments [Line Items]
Cash generated from other activities and excess cash		1,000	1,000	2,500	2,395
Net change in cash and cash equivalents		$ 1,000	$ 1,000	$ 2,500	$ 2,395