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Policyholders' Liabilities - Guaranteed Minimum Crediting Rate (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 226,159 | $ 207,702
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 35,567 | $ 36,816
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 | Minimum [Member] |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance, Guaranteed Credit Rates Range | 0.00% | 0.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 | Maximum [Member] |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance, Guaranteed Credit Rates Range | 1.49% | 1.49%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 37,397 | $ 33,793
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 | Minimum [Member] |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance, Guaranteed Credit Rates Range | 1.50% | 1.50%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 | Maximum [Member] |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance, Guaranteed Credit Rates Range | 2.99% | 2.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 121,824 | $ 105,693
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 | Minimum [Member] |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance, Guaranteed Credit Rates Range | 3.00% | 3.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 | Maximum [Member] |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance, Guaranteed Credit Rates Range | 4.49% | 4.49%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From Greater Than Or Equal To 0450 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 31,371 | $ 31,400
Policyholder Account Balance, Guaranteed Credit Rates Range | 4.50% | 4.50%
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 139,436 | $ 170,941
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 826 | 784
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 4,761 | 33,073
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 102,478 | 105,684
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From Greater Than Or Equal To 0450 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 31,371 | 31,400
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 547 | 680
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 0 | 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 178 | 671
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 369 | 9
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From Greater Than Or Equal To 0450 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 0 | 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 18,983 | 1,195
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 0 | 1,146
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 6 | 49
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 18,977 | 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From Greater Than Or Equal To 0450 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 0 | 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 67,193 | 34,886
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0000 To 0149 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 34,741 | 34,886
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0150 To 0299 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 32,452 | 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0449 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | 0 | 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From Greater Than Or Equal To 0450 |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |
Policyholder Account Balance | $ 0 | $ 0

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-7A + Details
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- Definition Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-7A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-7A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(14)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29F Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-7A + Details
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