CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Unaudited) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents (including cash pledged as collateral of $1,042,671 and $579,213, respectively)	[1]	$ 1,135,329	$ 706,589	[2]
Investments, at fair value:
Credit risk transfer securities (including pledged assets of $417,403 and $363,944, respectively)		563,796	651,764	[2]
Residential mortgage loans (including pledged assets of $1,608,935 and $1,169,496, respectively)	[3]	1,666,157	1,438,322	[2]
Mortgage servicing rights (including pledged assets of $4,164 and $5,224, respectively)		599,014	580,860	[2]
Commercial real estate debt investments (including pledged assets of $2,733,405 and $3,070,993, respectively)	[4]	2,857,463	3,089,108	[2]
Commercial real estate debt and preferred equity, held for investment (including pledged assets of $652,897 and $520,329, respectively)		1,251,138	1,029,327	[2]
Loans held for sale, net		42,458	0	[2]
Investments in commercial real estate		477,887	485,953	[2]
Corporate debt (including pledged assets of $642,016 and $600,049, respectively)		1,256,276	1,011,275	[2]
Interest rate swaps, at fair value		82,458	30,272	[2]
Other derivatives, at fair value		129,680	283,613	[2]
Reverse repurchase agreements		259,762	0	[2]
Receivable for investments sold		21,728	1,232	[2]
Accrued interest and dividends receivable		323,769	323,526	[2]
Other assets		475,230	384,117	[2]
Goodwill		71,815	71,815	[2]
Intangible assets, net		19,194	23,220	[2]
Total assets		98,832,997	101,760,050	[2]
Liabilities:
Repurchase agreements		75,760,655	77,696,343	[2]
Other secured financing		3,760,487	3,837,528	[2]
Securitized debt of consolidated VIEs	[5]	2,728,692	2,971,771	[2]
Mortgages payable		309,878	309,686	[2]
Interest rate swaps, at fair value		376,106	569,129	[2]
Other derivatives, at fair value		117,931	38,725	[2]
Dividends payable		349,300	347,876	[2]
Payable for investments purchased		1,108,834	656,581	[2]
Accrued interest payable		478,439	253,068	[2]
Accounts payable and other liabilities		68,819	207,770	[2]
Total liabilities		85,059,141	86,888,477	[2]
Stockholders’ Equity:
Common stock, par value $0.01 per share, 1,909,750,000 and 1,929,300,000 authorized, 1,164,333,831 and 1,159,585,078 issued and outstanding, respectively		11,643	11,596	[2]
Additional paid-in capital		17,268,596	17,221,265	[2]
Accumulated other comprehensive income (loss)		(3,434,447)	(1,126,020)	[2]
Accumulated deficit		(1,800,370)	(2,961,749)	[2]
Total stockholders’ equity		13,768,590	14,865,473	[2]
Noncontrolling interest		5,266	6,100	[2]
Total equity		13,773,856	14,871,573	[2]
Total liabilities and equity		98,832,997	101,760,050	[2]
Senior Secured mortgages of Consolidated VIE, fair value		2,500,000	2,800,000
Securitized debt of a consolidated VIE		2,728,692	2,971,771
Consolidated VIEs
ASSETS
Cash and cash equivalents (including cash pledged as collateral of $1,042,671 and $579,213, respectively)		32,400	42,300
Investments, at fair value:
Residential mortgage loans (including pledged assets of $1,608,935 and $1,169,496, respectively)		523,000	478,800
7.625% Series C Cumulative Redeemable Preferred Stock
Stockholders’ Equity:
Cumulative redeemable preferred stock		169,466	290,514	[2]
7.50% Series D Cumulative Redeemable Preferred Stock
Stockholders’ Equity:
Cumulative redeemable preferred stock		445,457	445,457	[2]
7.625% Series E Cumulative Redeemable Preferred Stock
Stockholders’ Equity:
Cumulative redeemable preferred stock		0	287,500	[2]
6.95% Series F Cumulative Redeemable Preferred Stock
Stockholders’ Equity:
Cumulative redeemable preferred stock		696,910	696,910	[2]
6.50% Series G Cumulative Redeemable Preferred Stock
Stockholders’ Equity:
Cumulative redeemable preferred stock		411,335	0	[2]
Non-Agency Mortgage-backed Securities
Investments, at fair value:
Mortgage-backed securities, including pledged assets	[6]	1,006,785	1,097,294	[2]
Non-Agency Mortgage-backed Securities | Consolidated VIEs
Investments, at fair value:
Mortgage-backed securities, including pledged assets		57,700	66,300
Agency Mortgage-Backed Securities
Investments, at fair value:
Mortgage-backed securities, including pledged assets		86,593,058	90,551,763	[2]
Liabilities:
Repurchase agreements		$ 74,497,286	$ 76,703,981

[1] Includes cash of consolidated Variable Interest Entities (“VIEs”) of $32.4 million and $42.3 million at June 30, 2018 and December 31, 2017, respectively.

[2] Derived from the audited consolidated financial statements at December 31, 2017.

[3] Includes securitized residential mortgage loans transferred or pledged to a consolidated VIE carried at fair value of $523.0 million and $478.8 million at June 30, 2018 and December 31, 2017, respectively.

[4] Includes senior securitized commercial mortgage loans of consolidated VIEs carried at fair value of $2.5 billion and $2.8 billion at June 30, 2018 and December 31, 2017, respectively.

[5] Includes securitized debt of consolidated VIEs carried at fair value of $2.7 billion and $3.0 billion at June 30, 2018 and December 31, 2017, respectively.

[6] $57.7 million and $66.3 million at June 30, 2018 and December 31, 2017, respectively, of non-Agency mortgage-backed securities in a consolidated VIE pledged as collateral and eliminated from the Company’s Consolidated Statements of Financial Condition.