Note 3 - Fair Value Measurements (Additional Information) (Details)	3 Months Ended
Jun. 30, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Changes in valuation techniques	no

Description of the valuation techniques or other methods used to estimate the fair value of assets obtained or liabilities incurred in transfers of financial assets accounted for as sales. If a valuation model is used, the description would be expected to include quantitative and qualitative information about the assumptions used in the valuation model (for example, but not limited to, discount rates, anticipated credit losses, and prepayment speeds).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (cc)
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-3

Name:	us-gaap_TransfersOfFinancialAssetsAccountedForAsSaleValuationTechiques
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration