Derivative Financial Instruments - Schedule of Derivative Assets and Liabilties (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Assets, at Fair Value	$ 1,097,000	$ 669,000
Liabilities, at Fair Value	545,000	0
Restricted cash	16,881,000	12,730,000
Interest Rate Swaps [Member]
Assets, at Fair Value	1,097,000	0
Liabilities, at Fair Value	305,000	0
Receiver Swaption [Member]
Assets, at Fair Value	0	669,000
TBA Contracts [Member]
Assets, at Fair Value	0	0
Liabilities, at Fair Value	240,000	0
Eurodollar Future Margin [Member]
Restricted cash	3,268,000	8,483,000
Interest Rate Swaption Margin [Member]
Restricted cash	$ 5,240,000	$ 0