Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
ASSETS
Mortgage-backed securities	$ 3,852,883	$ 3,516,239
Mortgage loans held for investment, net	29,858	39,700
Investment in limited partnership	10,733	4,000
Cash and cash equivalents	56,463	43,944
Restricted cash	57,880	42,263
Derivative assets	20,804	5,727
Receivable for securities sold	96,168	0
Principal receivable on investments	10,584	7,420
Accrued interest receivable	21,315	21,157
Other assets, net	12,354	7,861
Total assets	4,169,042	3,688,311
Liabilities:
Repurchase agreements	3,402,964	3,013,110
FHLB advances	108,076	0
Payable for unsettled mortgage-backed securities	4,014	0
Non-recourse collateralized financing	8,788	10,786
Derivative liabilities	48,240	35,898
Accrued interest payable	2,067	1,947
Accrued dividends payable	14,878	15,622
Other liabilities	4,762	3,646
Total liabilities	3,593,789	3,081,009
Shareholders’ equity:
Common stock, par value $.01 per share, 200,000,000 shares authorized; 54,734,817 and 54,310,484 shares issued and outstanding, respectively	541	547
Additional paid-in capital	758,230	763,935
Accumulated other comprehensive income (loss)	4,691	21,316
Accumulated deficit	(297,867)	(288,154)
Total shareholders' equity	575,253	607,302
Total liabilities and shareholders’ equity	4,169,042	3,688,311
Series A Preferred Stock [Member]
Shareholders’ equity:
Preferred Stock, par value $.01 per share, 8.5% Series A Cumulative Redeemable; 8,000,000 shares authorized; 2,300,000 shares issued and outstanding ($57,500 aggregate liquidation preference)	55,407	55,407
Preferred Stock, par value $.01 per share, 7.625% Series B Cumulative Redeemable; 7,000,000 shares authorized 2,250,000 shares issued and outstanding ($56,250 aggregate liquidation preference)	55,407	55,407
Series B Preferred Stock [Member]
Shareholders’ equity:
Preferred Stock, par value $.01 per share, 8.5% Series A Cumulative Redeemable; 8,000,000 shares authorized; 2,300,000 shares issued and outstanding ($57,500 aggregate liquidation preference)	54,251	54,251
Preferred Stock, par value $.01 per share, 7.625% Series B Cumulative Redeemable; 7,000,000 shares authorized 2,250,000 shares issued and outstanding ($56,250 aggregate liquidation preference)	$ 54,251	$ 54,251