Statutory Financial Information of Insurance Subsidiaries (Net income (loss) Capital and Surplus (Details) - USD ($) $ in Thousands	12 Months Ended
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

Statutory Financial Information Of Insurance Subsidiaries Abstract

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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

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- Definition

Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators.

+ References

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