Repurchase Agreements (Tables)

3 Months Ended

Mar. 31, 2019

Disclosure of Repurchase Agreements [Abstract]

Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]

The Company’s repurchase agreements outstanding as of March 31, 2019 and December 31, 2018 are summarized in the following tables:

	March 31, 2019						December 31, 2018
Collateral Type	Balance		Weighted Average Rate		Fair Value of Collateral Pledged		Balance		Weighted Average Rate		Fair Value of Collateral Pledged
Agency RMBS	$	2,582,697	2.75	%	$	2,719,705	$	1,887,878	2.66	%	$	1,998,922
Agency CMBS	1,220,326		2.68	%	1,304,731		919,833		2.51	%	986,861
Agency CMBS IO	253,168		3.05	%	282,927		253,258		2.96	%	285,247
Non-Agency CMBS IO	196,702		3.39	%	230,244		207,015		3.38	%	240,574
Total repurchase agreements	$	4,252,893	2.78	%	$	4,537,607	$	3,267,984	2.69	%	$	3,511,604

Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Table Text Block]

The following table provides information on the remaining term to maturity and original term to maturity for the Company’s repurchase agreements as of the dates indicated:

	March 31, 2019			December 31, 2018
Remaining Term to Maturity	Balance		WAVG Original Term to Maturity	Balance		WAVG Original Term to Maturity
Less than 30 days	$	3,459,566	52	$	2,319,911	56
30 to 90 days	793,327		82	948,073		89
Total	$	4,252,893	58	$	3,267,984	66

Schedule of Repurchase Agreement Counterparties with Whom Repurchase Agreements Exceed 10 Percent of Stockholders' Equity [Table Text Block]

The following table lists the counterparties with whom the Company had approximately 10% or more of its shareholders’ equity at risk (defined as the excess of collateral pledged over the borrowings outstanding) as of the date indicated:

	March 31, 2019
Counterparty Name	Balance		Weighted Average Rate		Equity at Risk
Wells Fargo Bank, N. A. and affiliates	$	357,111	3.56	%	$	43,381