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Investments - Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward] |  |
Allowance for credit losses, beginning of period | $ 513 | $ 597
Provision and recoveries | 365 | 164
Sales/collections and write-offs | (52) | (186)
Allowance for credit losses, end of period | 826 | 575
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward] |  |
Allowance for credit losses, beginning of period | 2,167 | 0
Provision and recoveries | 0 | 2,167
Sales/collections and write-offs | 0 | 0
Allowance for credit losses, end of period | 2,167 | 2,167
Other loans receivable |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for credit losses, beginning of period | 12,198 | 11,081
Provision and recoveries | 394 | 172
Sales/collections and write-offs | 0 | 0
Allowance for credit losses, end of period | 12,592 | 11,253
Agent loans |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for credit losses, beginning of period | 1,312 | 957
Provision and recoveries | 164 | 0
Sales/collections and write-offs | 0 | 0
Allowance for credit losses, end of period | $ 1,476 | $ 957

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- Definition Amount of allowance for credit loss 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://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 + Details
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