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Investments - Impairments on Investments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Schedule of Impairments [Line Items] |  |  |  |
Credit impaired | $ (304) | $ (79) | $ (669) | $ (243)
Expected credit losses: |  |  |  |
Held-to-maturity securities | 0 | 0 | 0 | (2,167)
Net impairment losses recognized in earnings | (909) | (388) | (1,823) | (3,065)
Total available-for-sale securities |  |  |  |
Schedule of Impairments [Line Items] |  |  |  |
Intent to sell | (417) | (124) | (417) | (298)
Credit impaired | (304) | (79) | (669) | (243)
Total available-for-sale securities | (721) | (203) | (1,086) | (541)
Held-to-maturity securities |  |  |  |
Expected credit losses: |  |  |  |
Held-to-maturity securities | 0 | 0 | 0 | (2,167)
Agent loans |  |  |  |
Expected credit losses: |  |  |  |
Net impairment losses recognized in earnings | 0 | 0 | (164) | 0
Other loans receivable |  |  |  |
Expected credit losses: |  |  |  |
Net impairment losses recognized in earnings | $ (188) | $ (185) | $ (573) | $ (357)

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- Definition Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 + Details
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