Borrowings (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Repurchase Agreements [Table Text Block]

The following table details the Company's outstanding borrowings under reverse repurchase agreements for Agency RMBS, Credit assets (which include non-Agency MBS, CLOs, consumer loans, corporate debt, residential mortgage loans, and commercial mortgage loans and REO), and U.S. Treasury securities, by remaining maturity as of March 31, 2018 and December 31, 2017:

(In thousands)	March 31, 2018					December 31, 2017
			Weighted Average					Weighted Average
Remaining Maturity	Outstanding Borrowings		Interest Rate		Remaining Days to Maturity	Outstanding Borrowings		Interest Rate		Remaining Days to Maturity
Agency RMBS:
30 Days or Less	$	276,496	1.74	%	14	$	287,014	1.43	%	15
31-60 Days	355,430		1.79	%	45	264,058		1.47	%	46
61-90 Days	227,854		1.94	%	76	277,950		1.63	%	74
151-180 Days	—		—	%	—	602		2.56	%	158
Total Agency RMBS	859,780		1.81	%	43	829,624		1.51	%	44
Credit:
30 Days or Less	39,740		2.72	%	11	37,433		2.61	%	13
31-60 Days	112,952		2.71	%	45	132,201		2.44	%	49
61-90 Days	191,567		3.22	%	78	130,875		2.75	%	77
91-120 Days	3,563		3.27	%	94	—		—	%	—
121-150 Days	1,953		3.47	%	145	8,551		3.79	%	128
151-180 Days	11,008		4.05	%	170	8,300		3.40	%	164
181-360 Days	35,162		3.63	%	320	5,090		3.59	%	280
> 360 Days	73,015		5.54	%	1004	56,944		4.94	%	1094
Total Credit Assets	468,960		3.47	%	229	379,394		3.00	%	219
U.S. Treasury Securities:
30 Days or Less	2,203		1.95	%	2	297		1.70	%	2
Total U.S. Treasury Securities	2,203		1.95	%	2	297		1.70	%	2
Total	$	1,330,943	2.40	%	108	$	1,209,315	1.98	%	99

Schedule of Maturities of Long-term Debt [Table Text Block]

The following table details the Company's principal repayment schedule for outstanding borrowings as of March 31, 2018:

Year	Reverse Repurchase Agreements(1)		Other Secured Borrowings(2)		Senior Notes(1)		Total
(In thousands)
2018	$	1,222,766	$	31,558	$	—	$	1,254,324
2019	35,162		145,553		—		180,715
2020	73,015		9,330		—		82,345
2021	—		—		—		—
2022	—		—		86,000		86,000
Total	$	1,330,943	$	186,441	$	86,000	$	1,603,384

(1) Reflects the Company's contractual principal repayment dates.

(2) Reflects the Company's expected principal repayment dates.