Note 17 - Subsequent Events (Details Textual) - Revolving Credit Facility [Member] - USD ($) $ in Millions		1 Months Ended
	Jul. 29, 2022	Aug. 02, 2022	Jul. 28, 2022	Jun. 30, 2022	Dec. 31, 2021
Line of Credit Facility, Remaining Borrowing Capacity				$ 345.1	$ 384.9
Subsequent Event [Member]
Repayments of Debt	$ 100.0	$ 100.0
Long-Term Debt, Total			$ 650.0
Line of Credit Facility, Remaining Borrowing Capacity	$ 445.1