Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Portfolio Income
Interest income	$ 87,127,000	$ 68,811,000	$ 31,804,000
Interest expense	15,604,000	7,271,000	3,031,000
Net interest income	71,523,000	61,540,000	28,773,000
Realized gains (losses) on mortgage-backed securities	3,071,000	(1,411,000)	2,791,000
Unrealized gains (losses) on mortgage-backed securities	(54,149,000)	(28,274,000)	11,368,000
(Losses) gains on derivative instruments	(9,387,000)	(22,890,000)	(13,925,000)
Federal Home Loan Bank Dividends	14,000	0	0
Net portfolio income	11,072,000	8,965,000	29,007,000
Expenses
Management Fees	4,188,000	3,978,000	2,013,000
Allocated Overhead	1,300,000	1,064,000	390,000
Compensation and related benefits	806,000	646,000	500,000
Directors fees and liability insurance	1,007,000	983,000	569,000
Audit, legal and other professional fees	871,000	706,000	588,000
Direct REIT operating expenses	652,000	241,000	182,000
Other administrative	269,000	276,000	246,000
Total expenses	9,093,000	7,894,000	4,488,000
Net income (loss)	$ 1,979,000	$ 1,071,000	$ 24,519,000
Basic and diluted net income (loss) per share
Basic	$ 0.08	$ 0.05	$ 2.48
Diluted	$ 0.08	$ 0.05	$ 2.48
Weighted Average Shares Outstanding
Weighted Average Number Of Basic Shares Outstanding	24,099,714	20,266,706	9,890,058
Weighted Average Number Of Diluted Shares Outstanding	24,099,714	20,266,706	9,890,058