Commercial Mortgage Loans - Summary (Details) - Commercial mortgage loans - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Cost	$ 9,918	$ 9,928
Unpaid principal balance	9,918	9,928
Change in fair value	(458)	(470)
Fair value	$ 9,460	$ 9,458
Weighted average interest rate	6.35%	7.03%
Weighted average remaining maturity (years)	7 years	8 years

Financing Receivable, After Allowance for Credit Loss, Before Fair Value Option Adjustment, Unpaid Principal Balance

No definition available.

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- Definition

Financing Receivable, at Cost

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Weighted Average Interest Rate

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Weighted Average Remaining Maturity

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
-URI https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612

+ Details

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- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

+ Details

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Balance Type:	debit
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- Details

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