Financings - Collateral Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Collateral Positions
Assets pledged- fair value	$ 3,259,305	$ 3,277,274
Accrued interest	13,449	19,084
Assets pledged and accrued interest	3,272,754	3,296,358
Due from counterparties	43,500	1,200
Due to counterparties	709	17,800
Securities received as collateral	0	5,200
VIE
Collateral Positions
Assets pledged	34,897	221,486
VIE \| Agency CMBS
Collateral Positions
Assets pledged	1,400,230	1,486,142
Accrued interest	3,916	4,262
Assets pledged and accrued interest	1,404,146	1,490,404
Repurchase Agreements
Collateral Positions
Assets pledged	3,200,000	3,300,000
Repurchase Agreements \| Subtotal Agency RMBS
Collateral Positions
Assets pledged	356,687	19,837
Accrued interest	1,336	453
Assets pledged and accrued interest	358,023	20,290
Repurchase Agreements \| Non-Agency RMBS
Collateral Positions
Assets pledged	45,816	50,555
Accrued interest	414	479
Assets pledged and accrued interest	46,230	51,034
Repurchase Agreements \| Non-Agency CMBS
Collateral Positions
Assets pledged	246,797	186,552
Accrued interest	951	915
Assets pledged and accrued interest	247,748	187,467
Repurchase Agreements \| Whole-Loans and Securitized Commercial Loan
Collateral Positions
Assets pledged	529,495	1,041,885
Accrued interest	3,704	8,145
Assets pledged and accrued interest	533,199	1,050,030
Repurchase Agreements \| Residential Bridge Loans
Collateral Positions
Assets pledged	34,897	221,486
Accrued interest	471	3,528
Assets pledged and accrued interest	35,368	225,014
Repurchase Agreements \| Commercial Loans
Collateral Positions
Assets pledged	350,213	196,123
Accrued interest	1,855	1,067
Assets pledged and accrued interest	352,068	197,190
Repurchase Agreements \| Securitized Commercial Loans
Collateral Positions
Assets pledged	171,640	13,688
Accrued interest	674	88
Assets pledged and accrued interest	172,314	13,776
Repurchase Agreements \| Other securities
Collateral Positions
Assets pledged	80,031	59,780
Accrued interest	128	147
Assets pledged and accrued interest	80,159	59,927
Repurchase Agreements \| Cash
Collateral Positions
Assets pledged- fair value	43,499	1,226
Assets pledged and accrued interest	$ 43,499	$ 1,226

The fair value as of the balance sheet date of financial instruments and other positions owned by the entity and pledged to counterparties as collateral, including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities.

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