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Repurchase Agreements - Schedule of Unencumbered Securities (Details) - Repurchase agreements $ in Thousands	Sep. 30, 2022 USD ($)
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 121,510
Non-Agency RMBS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	90,053
Non-Agency RMBS | Consolidated SLST
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	18,800
CMBS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	30,346
ABS
Assets Sold under Agreements to Repurchase [Line Items]
Securities borrowed	$ 1,111

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+ References

No definition available.

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- Definition

Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

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