CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets
Residential mortgage investments ($13.33 and $13.48 billion pledged at September 30, 2015 and December 31, 2014, respectively)	$ 13,958,707	$ 13,908,104
Cash collateral receivable from interest rate swap counterparties	65,868	53,139
Interest rate swap agreements at fair value	0	1,657
Cash and cash equivalents	100,502	307,526
Receivables and other assets	177,038	118,643
Total assets	14,302,115	14,389,069
Liabilities
Secured borrowings	12,752,523	12,806,843
Interest rate swap agreements at fair value	41,240	27,034
Unsecured borrowings	100,000	100,000
Common stock dividend payable	26,048	34,054
Accounts payable and accrued expenses	32,874	30,367
Total liabilities	12,952,685	12,998,298
Stockholders' equity
Common stock - $0.01 par value; 250,000 shares authorized: 95,825 and 95,848 shares issued and outstanding at September 30, 2015 and December 31, 2014, respectively	958	958
Paid-in capital	1,310,402	1,325,340
Accumulated deficit	(346,464)	(346,885)
Accumulated other comprehensive income	187,920	227,422
Total stockholders' equity	1,349,430	1,390,771
Total liabilities and equity	14,302,115	14,389,069
Redeemable Preferred Stock [Member] | Cumulative Redeemable Preferred Stock, Series E [Member]
Stockholders' equity
Cumulative preferred stock	$ 196,614	$ 183,936