Investments - Mortgage Loan Modifications (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($) contract
Mortgage Loan Modifications
Number of contracts \| contract	1
Recorded investment \| $	$ 35.5
Commercial mortgage loans
Mortgage Loan Modifications
Number of contracts \| contract	1
Recorded investment \| $	$ 35.5

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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