Investments in Loans Held at Amortized Cost (Components of the Company's Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Receivables [Abstract]
Commercial real estate - Care	$ 22,220	$ 22,335
Asset backed - Siena	17,894	16,493
Other loans	1,991	1,432
Total loans, net	$ 42,105	$ 40,260