Note 15 - Dividends and Dividend Equivalents (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Dividends Declared [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Dividend declared per share	$	0.75	$	0.60	$	2.25	$	1.80
Total amount	$	35,145	$	27,606	$	105,082	$	82,501