Note 11 - Deferred Compensation Plan (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block]

	September 30,		December 31,
	2022		2021
Deferred compensation plan asset components:
Cash surrender value of corporate-owned life insurance policies	$	18,376	$	21,386
Fair value of mutual funds and money market funds		29,140		31,786
Total	$	47,516	$	53,172
Deferred compensation plan assets reported in:
Other long-term assets	$	47,516	$	53,172
Deferred compensation plan liabilities reported in:
Accrued compensation and related benefits (short-term)	$	118	$	282
Other long-term liabilities		49,417		55,489
Total	$	49,535	$	55,771