Borrowings (Tables)

12 Months Ended

Dec. 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 December 31, 2018 and 2017:

(In thousands)	December 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	$	245,956	2.46	%	17	$	287,014	1.43	%	15
31-60 Days	415,379		2.58	%	46	264,058		1.47	%	46
61-90 Days	255,421		2.74	%	76	277,950		1.63	%	74
91-120 Days	506		3.31	%	91	—		—	%	—
121-150 Days	—		—	%	—	—		—	%	—
151-180 Days	—		—	%	—	602		2.56	%	158
Total Agency RMBS	917,262		2.59	%	47	829,624		1.51	%	44
Credit:
30 Days or Less	30,426		2.55	%	22	37,433		2.61	%	13
31-60 Days	189,937		3.32	%	48	132,201		2.44	%	49
61-90 Days	93,202		3.21	%	74	130,875		2.75	%	77
91-120 Days	—		—	%	—	—		—	%	—
121-150 Days	26,222		4.60	%	123	8,551		3.79	%	128
151-180 Days	9,491		4.64	%	166	8,300		3.40	%	164
181-360 Days	91,730		4.54	%	316	5,090		3.59	%	280
> 360 Days	140,306		5.15	%	636	56,944		4.94	%	1094
Total Credit Assets	581,314		3.98	%	240	379,394		3.00	%	219
U.S. Treasury Securities:
30 Days or Less	273		3.10	%	2	297		1.70	%	2
Total U.S. Treasury Securities	273		3.10	%	2	297		1.70	%	2
Total	$	1,498,849	3.13	%	122	$	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 December 31, 2018:

Year	Reverse Repurchase Agreements(1)		Other Secured Borrowings(2)		Senior Notes(1)		Total
(In thousands)
2019	$	1,358,542	$	194,135	$	—	$	1,552,677
2020	78,530		205,198		—		283,728
2021	61,776		13,150		—		74,926
2022	—		—		86,000		86,000
2023	—		—		—		—
Total	$	1,498,848	$	412,483	$	86,000	$	1,997,331

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

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