First Priority Infrastructure Term Loan

No definition available.

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- Definition

Represents the number of shares acquired in the equity security investment.

+ References

No definition available.

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- Definition

Represents the percentage ownership in the equity security investment.

+ References

No definition available.

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- Definition

Investment in Equity Securities Percentage Ownership Acquired

+ References

No definition available.

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- Definition

Investment Securities Value at Acquisition

+ References

No definition available.

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- Definition

Investment, Term

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No definition available.

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- Definition

Investments, Renewal Term

+ References

No definition available.

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- Definition

The amount of loan purchase commitment outstanding as of the balance sheet date.

+ References

No definition available.

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Balance Type:	credit
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- Definition

Number of Domestic Natural Gas Power Plants

+ References

No definition available.

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- Definition

Number Of Properties By Which Investment Is Secured

+ References

No definition available.

+ Details

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- Definition

Renewal Term, Number Of Options

+ References

No definition available.

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- Definition

Upsize To Term Loan

+ References

No definition available.

+ Details

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- Definition

Rate of interest on investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563

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-Name Accounting Standards Codification
-Topic 320
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-Section 50
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- Definition

Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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- Definition

Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
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-Subparagraph (SX 210.4-08(k)(1))
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- Definition

The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
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-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

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Balance Type:	credit
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- Definition

The cash inflow from repayments of the balance excluding interest (principal) on loans receivable and leases held for investment purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 12
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- Definition

The cash inflow associated with the sale of receivables arising from the financing of goods and services.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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- 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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Related-Party Transactions - Investments in Loans and Securities (Details) $ in Thousands, € in Millions	1 Months Ended											12 Months Ended
	Dec. 31, 2021 USD ($)	Aug. 31, 2020 USD ($)	Feb. 29, 2020 USD ($) extension	Jan. 31, 2020 USD ($)	Jul. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Feb. 28, 2019 USD ($) powerPlant	Mar. 31, 2018 EUR (€)	Jan. 31, 2018 USD ($) powerPlant	Dec. 31, 2012 USD ($) shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2021 USD ($)	Oct. 31, 2019 USD ($)	Aug. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Related-Party Transactions
Acquisitions/originations/additional funding												$ 13,990,579	$ 5,337,399	$ 9,094,714
Loan balance	$ 18,413,649											18,413,649	12,139,908	11,470,224				$ 9,794,254
Origination of First Mortgage Loan \| Affiliated Entity
Related-Party Transactions
Proceeds from repayments on loans		$ 245,000
First priority term loan		$ 339,200
Loan balance	29,400											29,400
Origination of Loan for Development and Recapitalization of Luxury Cabin Rentals \| Affiliated Entity
Related-Party Transactions
Loan balance	67,400											67,400
Payments to fund related party loans			$ 99,000	$ 3,500
Investment interest rate			10.50%
Investment term			36 months
Number of renewal options \| extension			2
Renewal term			1 year
Origination of Loan to Refinance Debt of Commercial Real Estate Partnership \| Affiliated Entity
Related-Party Transactions
Acquisitions/originations/additional funding							$ 22,500
Purchase of First Mortgage Loan Participation
Related-Party Transactions
Loan balance	52,000											52,000
Number of properties securing investment \| powerPlant										3
Purchase of First Mortgage Loan Participation \| First mortgage loan participation
Related-Party Transactions
Acquisitions/originations/additional funding										$ 130,000
Residential Mortgage Originator \| Affiliated Entity
Related-Party Transactions
Notes receivable related party															$ 4,500
Proceeds from sale of receivables	4,500
Residential Mortgage Originator \| Affiliated Entity \| Residential Loans
Related-Party Transactions
Acquisitions/originations/additional funding												1,200,000	$ 244,400	$ 353,000
Loan purchase commitment	429,300											$ 429,300
Residential Mortgage Originator \| Affiliated Entity \| Notes Receivable
Related-Party Transactions
Loan purchase commitment																$ 4,500	$ 2,000
SEREF \| Affiliated Entity
Related-Party Transactions
Ownership percentage												2.00%
Number of shares acquired (in shares) \| shares											9,140,000
Investment securities value											$ 14,700
Ownership acquired in investment											4.00%
SEREF \| Office portfolio located in Spain \| Affiliated Entity
Related-Party Transactions
Acquisitions/originations/additional funding \| €									€ 55.0
Starwood Energy Group \| Purchase of First Priority Infrastructure Term Loan Participation \| Affiliated Entity
Related-Party Transactions
Acquisitions/originations/additional funding					$ 16,000	$ 5,000		$ 60,000
First priority term loan								$ 925,000
Loan balance	$ 65,000											$ 65,000
Upsize to term loan					$ 350,000
Number of domestic natural gas power plants \| powerPlant								4
Ownership percentage							50.00%