Statutory Financial Information of Insurance Subsidiaries (Table Text Block)	12 Months Ended
Mar. 31, 2023
Insurance [Abstract]
Statutory Financial Information of Insurance Subsidiaries	Years Ended December 31, 2022 2021 2020 (In thousands) Repwest: Audited statutory net income $ 34,963 $ 33,314 $ 22,898 Audited statutory capital and surplus 294,515 266,875 227,380 ARCOA: Audited statutory net income (loss) 2,319 (752) 2,438 Audited statutory capital and surplus 13,340 14,697 15,928 Oxford: Audited statutory net income (loss) (771) 23,217 6,296 Audited statutory capital and surplus 227,667 230,202 218,301 CFLIC: Audited statutory net income 3,637 6,019 8,082 Audited statutory capital and surplus 20,591 17,098 25,980 NAI: Audited statutory net income 1,017 1,874 2,127 Audited statutory capital and surplus 8,906 7,961 13,980

- Definition

Tabular disclosure of how the entity's reporting under GAAP as of the balance sheet date differs from the results based on prescribed and permitted accounting practices of the state or country of domicile in which a relevant statutory filing is made, or differences in results based on the National Association of Insurance Commissioners (NAIC) prescribed practices, or a combination thereof. Describes the accounting practices used and the related monetary effect on statutory surplus, net income, and risk-based capital. If an insurance enterprise's risk-based capital would have triggered a regulatory event had it not used a permitted practice, that fact is disclosed in the financial statements. Permitted statutory accounting practices include practices not prescribed but allowed by the domiciliary state insurance department regulatory authority.

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