Note 1 - Description of Business (Details Textual) - USD ($)	1 Months Ended	3 Months Ended
Oct. 31, 2021	Mar. 31, 2022
Payments for Reinsurance	$ 26,076,000	$ 15,000

Cash payments made for reinsurance during the current period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585

Name:	us-gaap_PaymentsForReinsurance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration