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v3.22.2.2

Investment Information - Maturity profile of available for sale securities) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Estimated Fair Value |  |
Due in one year or less | $ 579,231 | $ 300,889
Due after one year through five years | 10,029,151 | 8,355,255
Due after five years through 10 years | 3,856,180 | 4,689,155
Due after 10 years | 239,008 | 505,758
Single maturity date | 14,703,570 | 13,851,057
Estimated Fair Value | 20,061,584 | 19,732,825
Amortized Cost |  |
Due in one year or less | 599,970 | 299,772
Due after one year through five years | 10,808,495 | 8,339,387
Due after five years through 10 years | 4,495,113 | 4,684,393
Due after 10 years | 356,289 | 493,927
Single maturity date | 16,259,867 | 13,817,479
Cost or Amortized Cost | 21,854,126 | 19,708,561
Fixed maturities |  |
Estimated Fair Value |  |
Estimated Fair Value | 18,120,727 | 17,998,109
Amortized Cost |  |
Cost or Amortized Cost | 19,913,055 | 17,973,823
Mortgage backed securities |  |
Estimated Fair Value |  |
Securities without single maturity date | 763,371 | 408,477
Estimated Fair Value | 763,371 | 408,477
Amortized Cost |  |
Securities without single maturity date | 839,991 | 411,110
Cost or Amortized Cost | 839,991 | 411,110
Commercial mortgage backed securities |  |
Estimated Fair Value |  |
Securities without single maturity date | 1,064,238 | 1,046,484
Estimated Fair Value | 1,064,238 | 1,046,484
Amortized Cost |  |
Securities without single maturity date | 1,112,752 | 1,047,867
Cost or Amortized Cost | 1,112,752 | 1,047,867
Asset backed securities |  |
Estimated Fair Value |  |
Securities without single maturity date | 1,589,548 | 2,692,091
Estimated Fair Value | 1,589,548 | 2,692,091
Amortized Cost |  |
Securities without single maturity date | 1,700,445 | 2,697,367
Cost or Amortized Cost | $ 1,700,445 | $ 2,697,367

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