Statutory Financial Information of Insurance Subsidiaries (Table Text Block)	12 Months Ended
Mar. 31, 2022
Insurance [Abstract]
Statutory Financial Information of Insurance Subsidiaries	Years Ended December 31, 2021 2020 2019 (In thousands) Repwest: Audited statutory net income $ 33,314 $ 22,898 $ 28,614 Audited statutory capital and surplus 266,875 227,380 226,999 ARCOA: Audited statutory net income (loss) (752) 2,438 2,906 Audited statutory capital and surplus 14,697 15,928 12,851 Oxford: Audited statutory net income 23,217 6,296 18,599 Audited statutory capital and surplus 230,202 218,301 223,264 CFLIC: Audited statutory net income 6,019 8,082 8,043 Audited statutory capital and surplus 17,098 25,980 26,305 NAI: Audited statutory net income 1,874 2,127 1,942 Audited statutory capital and surplus 7,961 13,980 13,371

- 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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