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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 | Mar. 31, 2024 USD ($)
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Foreign government |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 36
Aggregate Fair Value | $ 93,212
Gross Unrealized Loss | $ 141,742
State and municipal |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 5
Aggregate Fair Value | $ 24,438
Gross Unrealized Loss | $ 4,918
Corporate |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 25
Aggregate Fair Value | $ 42,772
Gross Unrealized Loss | $ 2,291
Mortgage-backed |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 15
Aggregate Fair Value | $ 4,526
Gross Unrealized Loss | $ 237
Asset-backed |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 4
Aggregate Fair Value | $ 86
Gross Unrealized Loss | $ 70
Special revenue |
Debt Securities, Available-for-sale [Line Items] |
Number of Securities | 85
Aggregate Fair Value | $ 165,034
Gross Unrealized Loss | $ 149,258

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