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Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2020
Equity [Abstract] |
Schedule of Components of Other Comprehensive Income or Loss and Related Tax Effects Allocated to Each Component | The components of other comprehensive income or loss and the related tax effects allocated to each component were as follows:
|  | Three Months Ended |  |  | Three Months Ended |
|  | September 30, 2020 |  |  | September 30, 2019 |
|  |  |  |  |  | Income Tax |  |  |  |  |  |  |  |  |  |  | Income Tax |  |  |  |  |
|  | Before |  |  | Expense |  |  | Net of |  |  | Before |  |  | Expense |  |  | Net of |
|  | Tax |  |  | (Benefit) |  |  | Tax |  |  | Tax |  |  | (Benefit) |  |  | Tax |
Unrealized gains arising during the period |  | $ | 247 |  |  | $ | 61 |  |  | $ | 186 |  |  | $ | 447 |  |  | $ | 90 |  |  | $ | 357 |
Change in allowance for credit losses |  |  | 70 |  |  |  | 17 |  |  |  | 53 |  |  |  | — |  |  |  | — |  |  |  | — |
Call and repayment (gains) losses charged to investment income |  |  | (15 | ) |  |  | (4 | ) |  |  | (11 | ) |  |  | (2 | ) |  |  | — |  |  |  | (2 | )
Reclassification adjustment for realized gains |  |  | 21 |  |  |  | 5 |  |  |  | 16 |  |  |  | (26 | ) |  |  | (7 | ) |  |  | (19 | )
Total other comprehensive gains |  | $ | 323 |  |  | $ | 79 |  |  | $ | 244 |  |  | $ | 419 |  |  | $ | 83 |  |  | $ | 336 |
|  | Nine Months Ended |  |  | Nine Months Ended |
|  | September 30, 2020 |  |  | September 30, 2019 |
|  |  |  |  |  | Income Tax |  |  |  |  |  |  |  |  |  |  | Income Tax |  |  |  |  |
|  | Before |  |  | Expense |  |  | Net of |  |  | Before |  |  | Expense |  |  | Net of |
|  | Tax |  |  | (Benefit) |  |  | Tax |  |  | Tax |  |  | (Benefit) |  |  | Tax |
Unrealized (losses) gains arising during the period |  | $ | 56 |  |  | $ | 14 |  |  | $ | 42 |  |  | $ | 4,777 |  |  | $ | 1,188 |  |  | $ | 3,589 |
Change in allowance for credit losses |  |  | 596 |  |  |  | 146 |  |  |  | 450 |  |  |  | — |  |  |  | — |  |  |  | — |
Call and repayment gains charged to investment income |  |  | (231 | ) |  |  | (56 | ) |  |  | (175 | ) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Reclassification adjustment for realized gains |  |  | (1,133 | ) |  |  | (278 | ) |  |  | (855 | ) |  |  | (59 | ) |  |  | (15 | ) |  |  | (44 | )
Total other comprehensive (losses) gains |  | $ | (712 | ) |  | $ | (174 | ) |  | $ | (538 | ) |  | $ | 4,717 |  |  | $ | 1,173 |  |  | $ | 3,544 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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