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Long-Term Debt - Schedule of Collateral for Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Collateral amounts	$ 1,139,638	$ 1,084,929
Bridge Loan
Debt Instrument [Line Items]
Collateral amounts	522,050	544,151
Residential Real Estate
Debt Instrument [Line Items]
Collateral amounts	228,125	154,774
Commercial Real Estate
Debt Instrument [Line Items]
Collateral amounts	369,005	363,490
Commercial Real Estate | Sequoia | Affiliated Entity
Debt Instrument [Line Items]
Collateral amounts	256,554	249,446
Commercial Real Estate | CAFL | Affiliated Entity
Debt Instrument [Line Items]
Collateral amounts	112,451	114,044
Other Business Purpose Loan Investments
Debt Instrument [Line Items]
Collateral amounts	19,358	21,414
Restricted cash
Debt Instrument [Line Items]
Collateral amounts	$ 1,100	$ 1,100

X

- Definition

Amount of assets pledged to secure a debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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