Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows From Operating Activities:
Net Income (Loss)	$ (5,486,000)	$ (4,067,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Net amortization of premium on Agency Securities	2,855,000	2,895,000
Accretion of net discount on Non-Agency Securities	(292,000)	(322,000)
Gain on Non-Agency Securities	(1,149,000)	(2,692,000)
Realized gain on sale of Agency Securities	(5,065,000)	(7,931,000)
Unrealized net gain and net interest income from Linked Transactions	0	(8,604,000)
Stock based compensation	131,000	132,000
Changes in operating assets and liabilities:
(Increase) decrease in accrued interest receivable	1,125,000	(320,000)
Increase in prepaid and other assets	(160,000)	(202,000)
Decrease in derivatives, at fair value	18,455,000	35,674,000
Increase (decrease) in accrued interest payable	(168,000)	297,000
Increase (decrease) in accounts payable and other accrued expenses	1,288,000	(1,269,000)
Net cash provided by operating activities	11,534,000	13,591,000
Cash Flows From Investing Activities:
Purchases of Agency Securities	(128,908,000)	(1,214,850,000)
Purchases of Non-Agency Securities	(97,027,000)	(25,897,000)
Cash receipts on Linked Transactions	0	5,075,000
Principal repayments of Agency Securities	59,701,000	78,096,000
Principal repayments of Non-Agency Securities	19,968,000	10,889,000
Proceeds from sales of Agency Securities	500,852,000	927,361,000
Increase in cash collateral posted to/by counterparties	(22,534,000)	(33,694,000)
Net cash provided by (used in) investing activities	332,052,000	(253,020,000)
Cash Flows From Financing Activities:
Issuance of common stock, net of expenses	7,000	0
Proceeds from repurchase agreements	4,614,455,000	5,822,290,000
Principal repayments on repurchase agreements	(4,956,288,000)	(5,570,695,000)
Common stock dividends paid	(10,759,000)	(16,195,000)
Common stock repurchased	(612,000)	0
Net cash provided by (used in) financing activities	(353,197,000)	235,400,000
Net decrease in cash	(9,611,000)	(4,029,000)
Cash - beginning of period	29,882,000	41,524,000
Cash - end of period	20,271,000	37,495,000
Supplemental Disclosure:
Cash paid during the period for interest	13,818,000	14,100,000
Non-Cash Investing and Financing Activities:
Receivable for unsettled sales	0	102,163,000
Net unrealized gain (loss) on available for sale Agency Securities	2,170,000	11,044,000
Linked Transaction value of purchased Non-Agency Securities	$ 2,532,000	$ 7,280,000