Investments in Partially-Owned Entities (Schedule of Equity Method Investments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Investments in partially-owned entities	$ 9,972	$ 8,388
Star Asia Opportunity, LLC
Schedule of Equity Method Investments [Line Items]
Investments in partially-owned entities	17	22
Star Asia Opportunity II, LLC
Schedule of Equity Method Investments [Line Items]
Investments in partially-owned entities	8,437	5,874
Senior Management Concepts Senior Living Portfolio
Schedule of Equity Method Investments [Line Items]
Investments in partially-owned entities	0	2,492
luxury mortgage corp [Member]
Schedule of Equity Method Investments [Line Items]
Investments in partially-owned entities	$ 1,518	$ 0