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Commitments and Contingencies (Narrative) (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Total contractually obligated investments
Contractual Obligation Additional Investment in Alternative or Other Investments	$ 412,700
Alternative and Other Investments
Contractual Obligation Additional Investment in Alternative or Other Investments	246,100
Non-publicly traded collateralized loan obligations in our fixed income securities portfolio
Contractual Obligation	106,600
Non-publicly traded common stock within our equity portfolio
Contractual Obligation	35,000
Commercial Mortgage Loans SIGI
Contractual Obligation	4,900
Privately placed corporate securities
Contractual Obligation	$ 20,100

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- Definition

Contractual obligation to invest additional amounts in alternative and other investments.

+ References

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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

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