Note 15 - Dividends and Dividend Equivalents (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Dividends Declared [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Dividend declared per share	$	1.00	$	0.75	$	2.00	$	1.50
Total amount	$	47,530	$	35,029	$	94,860	$	69,937