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

Jun. 30, 2021

Dec. 31, 2020

Jun. 30, 2020

Accounts, Notes, Loans and Financing Receivable [Line Items]

Commercial mortgage loans, net

$ 7,520,105

$ 6,496,977

$ 6,496,977

Commercial Mortgage and Subordinated Portfolio Segment

Accounts, Notes, Loans and Financing Receivable [Line Items]

Commercial mortgage loans, net

146,500

136,100

Commercial Mortgage Portfolio Segment

Accounts, Notes, Loans and Financing Receivable [Line Items]

Commercial mortgage loans, net

^[1],[2]

6,653,197

5,451,084

Subordinate Mortgage Portfolio Segment

Accounts, Notes, Loans and Financing Receivable [Line Items]

Commercial mortgage loans, net

^[2]

$ 866,908

$ 1,045,893

[1]	Includes $5,489,059 and $5,418,999 pledged as collateral under secured debt arrangements in 2021 and 2020, respectively
[2]	Net of $183,199 and $213,102 CECL Allowances in 2021 and 2020, respectively, comprised of $145,000 and $175,000 Specific CECL Allowance and $38,199 and $38,102 General CECL Allowance, respectively.

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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.

+ Details

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(c))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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