Investment in Loans (Details) (USD $)	0 Months Ended	12 Months Ended
	Aug. 06, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items]
Gains on Purchases Sales of Investment Real Estate, Property Acquired	$ 4,300,000
Gain on foreclosure for other assets acquired and liabilities assumed	600,000
Gain on foreclosure	4,900,000	0	4,863,000	0
Receipt of assets in full satisfaction	$ 4,700,000	$ 0	$ (4,731,000)	$ 0