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Commercial Mortgage Loans, Subordinate Loans and Other Lending Assets, Net - Loan Portfolio (Details) - USD ($)
$ in Thousands

Mar. 31, 2024

Dec. 31, 2023

Financing Receivable, Allowance for Credit Loss [Line Items]

Commercial mortgage loan, held for sale

^[1]

$ 135,465

$ 0

Carrying value, net

8,285,890

8,358,093

Commercial Mortgage and Subordinated Portfolio Segment

Financing Receivable, Allowance for Credit Loss [Line Items]

Mortgage loans on real estate, commercial and consumer, net

83,500

95,500

Commercial Mortgage Portfolio Segment

Financing Receivable, Allowance for Credit Loss [Line Items]

Commercial mortgage loan, held for sale

135,465

0

Mortgage loans on real estate, commercial and consumer, net

^[2],[3]

7,846,460

7,925,359

Subordinate Mortgage Portfolio Segment

Financing Receivable, Allowance for Credit Loss [Line Items]

Mortgage loans on real estate, commercial and consumer, net

^[3],[4]

$ 303,965

$ 432,734

[1]	Includes $135,465 pledged as collateral under secured debt arrangements in 2024.
[2]	Includes $7,642,848 and $7,705,491 pledged as collateral under secured debt arrangements in 2024 and 2023, respectively.
[3]	Net of $367,558 and $219,482 CECL Allowances comprised of $335,000 and $193,000 Specific CECL Allowance and $32,558    and $26,482 General CECL Allowance in 2024 and 2023, respectively.
[4]	Includes $246,725 and $232,991 pledged as collateral under secured debt arrangements in 2024 and 2023, respectively.

X

- Definition

Mortgage Loans on Real Estate, Commercial and Consumer And Financing Receivable, Net

+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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- Definition

Amount, before valuation allowance, of financing receivable classified as held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481852/948-310-45-1

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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