v3.21.2

Investments - Amortized Cost, Gross Unrealized Gains and Losses and Fair Value on Fixed Maturities (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Investments [Line Items] |  |
Original or amortized cost | $ 911,547 | $ 1,163,923
Gross unrealized gains | 32,200 | 53,055
Gross unrealized losses | (5,062) | (3,567)
Fixed maturities | 938,685 | 1,213,411
U.S. treasury bonds |  |
Schedule of Investments [Line Items] |  |
Original or amortized cost | 78,481 | 94,468
Gross unrealized gains | 0 | 34
Gross unrealized losses | (27) | 0
Fixed maturities | 78,454 | 94,502
U.S. agency bonds – mortgage-backed |  |
Schedule of Investments [Line Items] |  |
Original or amortized cost | 148,520 | 272,124
Gross unrealized gains | 5,028 | 9,439
Gross unrealized losses | (95) | (126)
Fixed maturities | 153,453 | 281,437
Non-U.S. government bonds |  |
Schedule of Investments [Line Items] |  |
Original or amortized cost | 3,167 | 8,641
Gross unrealized gains | 273 | 1,067
Gross unrealized losses | 0 | 0
Fixed maturities | 3,440 | 9,708
Asset-backed securities |  |
Schedule of Investments [Line Items] |  |
Original or amortized cost | 194,648 | 184,227
Gross unrealized gains | 1,242 | 1,611
Gross unrealized losses | (598) | (406)
Fixed maturities | 195,292 | 185,432
Corporate bonds |  |
Schedule of Investments [Line Items] |  |
Original or amortized cost | 486,731 | 604,463
Gross unrealized gains | 25,657 | 40,904
Gross unrealized losses | (4,342) | (3,035)
Fixed maturities | $ 508,046 | $ 642,332

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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