Note 4 - Investments (Details Textual) - CRFH Joint Venture [Member] - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 18, 2026
Amount Committed to Invest		$ 87,500
Payments to Acquire Investments	$ 0
CR Financial Holdings [Member]
Amount Committed to Invest		$ 12,500

The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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