Note 13 - Share-based Compensation - Summary of Restricted Stock and Restricted Stock Units (Details) - Restricted Stock and Restricted Stock Units [Member] shares in Thousands	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Beginning Non-vested shares and share units, number of shares (in shares) | shares	10,594
Beginning Non-vested shares and share units, weighted average grant-date fair value (in dollars per share) | $ / shares	$ 25.83
Granted, number of shares (in shares) | shares	4,090
Granted, weighted average grant-date fair value (in dollars per share) | $ / shares	$ 34.24
Vested, number of shares (in shares) | shares	(3,067)
Vested, weighted average grant-date fair value (in dollars per share) | $ / shares	$ 24.42
Forfeited, number of shares (in shares) | shares	(200)
Forfeited, weighted average grant-date fair value (in dollars per share) | $ / shares	$ 27.99
Ending Non-vested shares and share units, number of shares (in shares) | shares	11,417
Ending Non-vested shares and share units, weighted average grant-date fair value (in dollars per share) | $ / shares	$ 29.19