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Fixed Maturity Securities in an Unrealized Loss Position (Non-Investment Grade Fixed Maturity Securities) (Details) - External Credit Rating, Non Investment Grade $ in Thousands | Dec. 31, 2023 USD ($)
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Foreign government |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 5
Aggregate Fair Value | $ 197
Gross Unrealized Loss | $ 148
Corporate |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 15
Aggregate Fair Value | $ 4,393
Gross Unrealized Loss | $ 185
Mortgage- Backed |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 16
Aggregate Fair Value | $ 21,424
Gross Unrealized Loss | $ 1,928
Asset-backed |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 5
Aggregate Fair Value | $ 22,830
Gross Unrealized Loss | $ 6,469
Debt Securities |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 74
Aggregate Fair Value | $ 151,533
Gross Unrealized Loss | $ 116,031
State and municipal |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 33
Aggregate Fair Value | $ 102,689
Gross Unrealized Loss | $ 107,301

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