Note 15 - Subsequent Events (Details Textual) - USD ($) $ in Thousands, shares in Millions	1 Months Ended	3 Months Ended
Aug. 03, 2022	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021
Treasury Stock, Value, Acquired, Cost Method		$ 28,565	$ 14,800	$ 8,118
Subsequent Event [Member]
Treasury Stock, Shares, Acquired (in shares)	0.5
Treasury Stock, Value, Acquired, Cost Method	$ 12,200

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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Balance Type:	debit
Period Type:	duration