Securitized Mortgage Trusts - Securitized Mortgage Trust Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Trust Assets
Total securitized mortgage trust assets	$ 2,229,662	$ 2,634,746
Mortgages secured by residential real estate
Trust Assets
Securitized mortgage collateral, at fair value	2,225,422	2,628,064
REO inside trusts
Trust Assets
REO, at net realizable value (NRV)	$ 4,240	$ 6,682

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5086-111524

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant