Financing Arrangements, Portfolio Investments (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Financial Instruments Owned and Pledged as Collateral

The following table presents detailed information about the Company’s borrowings under financing arrangements and associated assets pledged as collateral at December 31, 2017 and December 31, 2016 (dollar amounts in thousands):



	2017						2016
Assets Pledged as Collateral	Outstanding Borrowings		Fair Value of Collateral Pledged		Amortized Cost Of Collateral Pledged		Outstanding Borrowings		Fair Value of Collateral Pledged		Amortized Cost Of Collateral Pledged
Agency ARMs RMBS	$	86,349	$	90,343	$	92,586	$	102,088	$	109,552	$	110,903
Agency Fixed-rate RMBS	842,474		890,359		902,744		289,619		308,411		318,544
Agency IOs/U.S. Treasury Securities	—		—		—		60,862		82,153		93,819
Non-Agency RMBS	38,160		51,841		50,693		113,749		150,944		149,969
CMBS ⁽¹⁾	309,935		421,156		322,092		206,824		294,083		216,092
Balance at end of the period	$	1,276,918	$	1,453,699	$	1,368,115	$	773,142	$	945,143	$	889,327


⁽¹⁾	Includes first loss PO and mezzanine CMBS securities with a fair value amounting to $377.5 million and $254.6 million included in the Consolidated K-Series as of December 31, 2017 and December 31, 2016, respectively.

Outstanding Repurchase Agreements by Contractual Maturity

The following table presents contractual maturity information about the Company’s outstanding financing arrangements at December 31, 2017 and 2016 (dollar amounts in thousands):



Contractual Maturity	December 31, 2017		December 31, 2016
Within 30 days	$	1,081,911	$	729,134
Over 30 days to 90 days	95,007		44,008
Over 90 days	100,000		—
Total	$	1,276,918	$	773,142