Note 13 - Earnings Per Share (Details Textual) - shares shares in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0.1	0.1
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	3.9	4.3
Series C Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1.2	1.1