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Statutory Financial Information of Insurance Subsidiaries (Net income (loss) Capital and Surplus (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Repwest [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | $ 43,028 | $ 34,963 | $ 33,314
Audited statutory capital and surplus | 342,026 | 294,515 | 266,875
ARCOA [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 1,891 | 2,319 | 752
Audited statutory capital and surplus | 16,063 | 13,340 | 14,697
Oxford [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 212 | 771 | 23,217
Audited statutory capital and surplus | 247,039 | 227,667 | 230,202
CFLIC [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 2,050 | 3,637 | 6,019
Audited statutory capital and surplus | 22,478 | 20,591 | 17,098
NAI [Member] |  |  |
Statutory financial information of insurance subsidiaries: |  |  |
Audit statutory net income (loss) | 887 | 1,017 | 1,874
Audited statutory capital and surplus | $ 9,775 | $ 8,906 | $ 7,961

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- Definition The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479989/944-505-50-1 + Details
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- Definition Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
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