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v3.21.2

Investment Information - Allowance for expected credit losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Allowance for expected credit losses |  |  |  |  |  |  |
Balance at beginning of period |  | $ 3,830 |  | $ 9,938 | $ 2,397 |  | $ 0
Cumulative effect of accounting change | [1] |  |  |  |  |  | 634
Additions for current-period provision for expected credit losses |  | 59 |  | 1,000 | 2,662 |  | 10,349
Additions (reductions) for previously recognized expected credit losses |  | (791) |  | (4,232) | (1,722) |  | (4,255)
Reductions due to disposals |  | (974) |  | (837) | (1,213) |  | (859)
Balance at end of period |  | 2,124 |  | 5,869 | $ 2,124 |  | 5,869
Accounting Standards Update |  |  |  |  | us-gaap:AccountingStandardsUpdate201613Member |  |
Fixed maturities |  |  |  |  |  |  |
Allowance for expected credit losses |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  | $ 2,397 |  |
Additions for current-period provision for expected credit losses |  | (896) |  | (3,225) | 752 |  | 6,095
Balance at end of period |  | 2,124 |  |  | 2,124 |  |
Fixed maturities | Structured securities |  |  |  |  |  |  |
Allowance for expected credit losses |  |  |  |  |  |  |
Balance at beginning of period | [2] | 1,207 |  | 2,654 | 1,490 |  | 0
Cumulative effect of accounting change | [1],[2] |  |  |  |  |  | 517
Additions for current-period provision for expected credit losses | [2] | 52 |  | 695 | 234 |  | 2,841
Additions (reductions) for previously recognized expected credit losses | [2] | (383) |  | (1,304) | (765) |  | (1,306)
Reductions due to disposals | [2] | (117) |  | (319) | (200) |  | (326)
Balance at end of period |  | 759 |  | 1,726 | 759 |  | 1,726
Fixed maturities | Municipal bonds |  |  |  |  |  |  |
Allowance for expected credit losses |  |  |  |  |  |  |
Balance at beginning of period |  | 2 |  | 23 | 11 |  | 0
Cumulative effect of accounting change | [1] |  |  |  |  |  | 0
Additions for current-period provision for expected credit losses |  | 0 |  | 44 | 0 |  | 67
Additions (reductions) for previously recognized expected credit losses |  | 4 |  | (25) | (5) |  | (25)
Reductions due to disposals |  | 0 |  | (14) | 0 |  | (14)
Balance at end of period |  | 6 |  | 28 | 6 |  | 28
Fixed maturities | Corporate bonds |  |  |  |  |  |  |
Allowance for expected credit losses |  |  |  |  |  |  |
Balance at beginning of period |  | 2,621 |  | 7,232 | 896 |  | 0
Cumulative effect of accounting change | [1] |  |  |  |  |  | 117
Additions for current-period provision for expected credit losses |  | 7 |  | 290 | 2,428 |  | 7,441
Additions (reductions) for previously recognized expected credit losses |  | (412) |  | (2,903) | (952) |  | (2,924)
Reductions due to disposals |  | (857) |  | (504) | (1,013) |  | (519)
Balance at end of period |  | 1,359 |  | 4,115 | 1,359 |  | 4,115
Short-term investments |  |  |  |  |  |  |
Allowance for expected credit losses |  |  |  |  |  |  |
Balance at beginning of period |  | 0 |  | 29 | 0 | [3] | 0
Cumulative effect of accounting change | [1] |  |  |  |  |  | 0
Additions for current-period provision for expected credit losses |  | 0 |  | (29) | 0 |  | 0
Additions (reductions) for previously recognized expected credit losses |  | 0 |  | 0 | 0 |  | 0
Reductions due to disposals |  | 0 |  | 0 | 0 |  | 0
Balance at end of period |  | $ 0 | [3] | $ 0 | $ 0 | [3] | $ 0
[1] | Adoption of ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326)”
[2] | Includes asset backed securities, mortgage backed securities and commercial mortgage backed securities.
[3] | Effective January 1, 2020, the Company adopted ASU 2016-13 and as a result any credit impairment losses on the Company’s available-for-sale investments are recorded as an allowance, subject to reversal.

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- Definition Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), from change in present value of expected cash flows. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82922868-210454 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922897-210455 + Details
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