Investments in Loans Held at Amortized Cost (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 luxury mortgage corp [Member]	Dec. 31, 2013 luxury mortgage corp [Member]	Mar. 31, 2014 Siena Capital Finance LLC Asset-backed Investment [Member]	Dec. 31, 2013 Siena Capital Finance LLC Minimum Asset-backed Investment [Member]	Dec. 31, 2013 Siena Capital Finance LLC Maximum Asset-backed Investment [Member]	Aug. 31, 2013 Care Terraces Portfolio facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Deferred Loan Origination Fees, Net	$ 555	$ 686
Loans and Leases Receivable, At Amortized Cost, Asset Backed, Threshold Balances						1,000	20,000
Loans owned, at amortized cost – net of allowance	42,105	40,260	868	423	17,894			700
Interest Receivable					$ 290
Number of Real Estate Properties								2