v3.21.2

Investments - Other Than Temporarily Impaired and Credit Ratings (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) security | Dec. 31, 2020 USD ($)
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Other-than-temporary impairment losses | $ 0 | $ 0 | $ 0 | $ 1,506 |
Number of securities with other-than-temporary impairment losses | security |  |  |  | 2 |
Amortized cost | 911,547 |  | 911,547 |  | $ 1,163,923
Fair value | $ 938,685 |  | $ 938,685 |  | $ 1,213,411
% of Total fair value | 100.00% |  | 100.00% |  | 100.00%
AAA |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 124,254 |  | $ 124,254 |  | $ 96,453
Fair value | $ 124,569 |  | $ 124,569 |  | $ 97,515
% of Total fair value | 13.30% |  | 13.30% |  | 8.00%
AA+, AA, AA- |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 72,130 |  | $ 72,130 |  | $ 114,751
Fair value | $ 73,304 |  | $ 73,304 |  | $ 118,534
% of Total fair value | 7.80% |  | 7.80% |  | 9.80%
A+, A, A- |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 220,396 |  | $ 220,396 |  | $ 265,725
Fair value | $ 227,914 |  | $ 227,914 |  | $ 281,364
% of Total fair value | 24.30% |  | 24.30% |  | 23.20%
BBB+, BBB, BBB- |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 225,475 |  | $ 225,475 |  | $ 274,406
Fair value | $ 236,805 |  | $ 236,805 |  | $ 292,493
% of Total fair value | 25.20% |  | 25.20% |  | 24.10%
BB+ or lower |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 42,291 |  | $ 42,291 |  | $ 45,996
Fair value | $ 44,186 |  | $ 44,186 |  | $ 47,566
% of Total fair value | 4.70% |  | 4.70% |  | 3.90%
U.S. treasury bonds |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 78,481 |  | $ 78,481 |  | $ 94,468
Fair value | $ 78,454 |  | $ 78,454 |  | $ 94,502
% of Total fair value | 8.40% |  | 8.40% |  | 7.80%
U.S. agency bonds |  |  |  |  |
Schedule of Fixed Maturities Table [Line Items] |  |  |  |  |
Amortized cost | $ 148,520 |  | $ 148,520 |  | $ 272,124
Fair value | $ 153,453 |  | $ 153,453 |  | $ 281,437
% of Total fair value | 16.30% |  | 16.30% |  | 23.20%

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