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Statutory Financial Information of Insurance Subsidiaries (Net income (loss) Capital and Surplus (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Repwest [Member]
Statutory financial information of insurance subsidiaries:
Audit statutory net income (loss)	$ 43,247	$ 43,028	$ 34,963
Audited statutory capital and surplus	383,088	342,026	294,515
ARCOA [Member]
Statutory financial information of insurance subsidiaries:
Audit statutory net income (loss)	1,727	1,891	2,319
Audited statutory capital and surplus	18,094	16,063	13,340
Oxford [Member]
Statutory financial information of insurance subsidiaries:
Audit statutory net income (loss)	759	212	771
Audited statutory capital and surplus	235,319	247,039	227,667
CFLIC [Member]
Statutory financial information of insurance subsidiaries:
Audit statutory net income (loss)		887	1,017
Audited statutory capital and surplus	23,975	22,478	20,591
NAI [Member]
Statutory financial information of insurance subsidiaries:
Audit statutory net income (loss)	$ 3,854	2,050	3,637
Audited statutory capital and surplus		$ 9,775	$ 8,906

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- Definition

Statutory Financial Information Of Insurance Subsidiaries Abstract

+ References

No definition available.

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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/1943274/2147478777/944-210-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/1943274/2147477908/944-505-50-1

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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/1943274/2147478777/944-210-S99-1

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