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Fair Value - Level 3 Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Roll forward of level 3 fair value measurements on a recurring basis |  |
Fair value, asset, recurring basis, unobservable input reconciliation, asset, gain (loss), statement of other comprehensive income or comprehensive income | Other comprehensive income (loss) | Other comprehensive income (loss)
Fair value, asset, recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income | Net investment income | Net investment income
Level 3 |  |
Roll forward of level 3 fair value measurements on a recurring basis |  |
Beginning balance | $ 24,368 | $ 22,559
Included in earnings | (983) | (732)
Included in other comprehensive income (loss) | 766 | 721
Purchases | 12,553 | 10,349
Sales | (3,516) | (2,277)
Transfers into Level 3 | 39,272 | 14,408
Transfers out of Level 3 | (35,129) | (20,660)
Ending balance | 37,331 | 24,368
Available-for-sale securities | Level 3 |  |
Roll forward of level 3 fair value measurements on a recurring basis |  |
Beginning balance | 17,034 | 18,780
Included in earnings | (1,653) | (779)
Included in other comprehensive income (loss) | 766 | 721
Purchases | 10,534 | 6,891
Sales | (3,432) | (2,277)
Transfers into Level 3 | 38,719 | 12,551
Transfers out of Level 3 | (31,611) | (18,853)
Ending balance | 30,357 | 17,034
Available-for-sale securities | Level 3 | Corporate debt securities |  |
Roll forward of level 3 fair value measurements on a recurring basis |  |
Beginning balance | 4,506 | 3,686
Included in earnings | (129) | 4
Included in other comprehensive income (loss) | 126 | 314
Purchases | 6,708 | 4,316
Sales | (1,821) | (1,536)
Transfers into Level 3 | 8,379 | 5,611
Transfers out of Level 3 | (11,501) | (7,889)
Ending balance | 6,268 | 4,506
Available-for-sale securities | Level 3 | Commercial mortgage-backed securities |  |
Roll forward of level 3 fair value measurements on a recurring basis |  |
Beginning balance | 10,994 | 10,910
Included in earnings | (1,519) | (778)
Included in other comprehensive income (loss) | 664 | 311
Purchases | 3,826 | 2,575
Sales | (1,571) | (621)
Transfers into Level 3 | 30,340 | 5,373
Transfers out of Level 3 | (18,645) | (6,776)
Ending balance | 24,089 | 10,994
Available-for-sale securities | Level 3 | Residential mortgage-backed securities |  |
Roll forward of level 3 fair value measurements on a recurring basis |  |
Beginning balance | 1,534 | 4,184
Included in earnings | (5) | (5)
Included in other comprehensive income (loss) | (24) | 96
Purchases | 0 | 0
Sales | (40) | (120)
Transfers into Level 3 | 0 | 1,567
Transfers out of Level 3 | (1,465) | (4,188)
Ending balance | 0 | 1,534
Equity securities | Level 3 | Equity securities |  |
Roll forward of level 3 fair value measurements on a recurring basis |  |
Beginning balance | 7,334 | 3,779
Included in earnings | 670 | 47
Included in other comprehensive income (loss) | 0 | 0
Purchases | 2,019 | 3,458
Sales | (84) | 0
Transfers into Level 3 | 553 | 1,857
Transfers out of Level 3 | (3,518) | (1,807)
Ending balance | $ 6,974 | $ 7,334

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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