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Schedule I - Summary of Investments - Other than Investments in Related Parties (Details) $ in Thousands | Dec. 31, 2019 USD ($)
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SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | $ 133,330
Fair value | 129,071
Balance sheet value | 129,071
Private Common Equity Securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | 1,000
Fair value | 1,000
Balance sheet value | 1,000
Private preferred equity securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | 3,000
Fair value | 3,000
Balance sheet value | 3,000
Equity Securities, Investment Summary [Member] |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | 4,000
Fair value | 4,000
Balance sheet value | 4,000
U.S. Treasury securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | 101,413
Fair value | 101,186
Balance sheet value | 101,186
Sovereign debt |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | 27,917
Fair value | 23,885
Balance sheet value | 23,885
Total debt securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Cost | 129,330
Fair value | 125,071
Balance sheet value | $ 125,071

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