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Note 16 - Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions							1 Months Ended	3 Months Ended							6 Months Ended	12 Months Ended	17 Months Ended
	Aug. 16, 2023	May 17, 2023	Feb. 15, 2023	Aug. 17, 2022	May 18, 2022	Jan. 26, 2022	May 31, 2022	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2023	Jan. 30, 2023	Jan. 29, 2023	Feb. 10, 2022	Jan. 01, 2022	Aug. 05, 2021	Jan. 25, 2021
Treasury Stock, Value, Acquired, Cost Method									$ 4,683	$ 20,805	$ 27,521	$ 28,565	$ 14,800
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.11	$ 0.11	$ 0.11	$ 0.08	$ 0.0625	$ 0.0625		$ 0.11	$ 0.11	$ 0.11	$ 0.08	$ 0.0625	$ 0.0625
Repurchase Program Authorized January 25, 2021 [Member]
Stock Repurchase Program, Authorized Amount																						$ 40,000	$ 40,000
Treasury Stock, Shares, Acquired (in shares)														0.5
Treasury Stock, Value, Acquired, Cost Method														$ 8,100
Stock Repurchase Program, Remaining Authorized Repurchase Amount																					$ 38,000
Repurchase Program 10b5-1 [Member]
Stock Repurchase Program, Authorized Amount																				$ 30,000
Treasury Stock, Shares, Acquired (in shares)							1.4
Treasury Stock, Value, Acquired, Cost Method							$ 30,000
Share Repurchase Program Authorized May 18, 2022 [Member]
Stock Repurchase Program, Authorized Amount					$ 75,000													$ 55,000
Treasury Stock, Shares, Acquired (in shares)																2.0
Treasury Stock, Value, Acquired, Cost Method															$ 0	$ 54,700	$ 2,700
Stock Repurchase Program, Remaining Authorized Repurchase Amount																			$ 17,500
Stock Repurchase Program, Additional Authorized Amount										$ 37,500

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Aggregate dividends declared during the period for each share of common stock outstanding.

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-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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