Note 11 - Deferred Compensation Plan (Tables)

6 Months Ended

Jun. 30, 2023

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]

	June 30,		December 31,
	2023		2022
Deferred compensation plan asset components:
Cash surrender value of corporate-owned life insurance policies	$	22,322	$	19,089
Fair value of mutual funds and money market funds		49,578		43,933
Total	$	71,900	$	63,022
Deferred compensation plan assets reported in:
Other long-term assets	$	71,900	$	63,022
Deferred compensation plan liabilities reported in:
Accrued compensation and related benefits (short-term)	$	4,192	$	118
Other long-term liabilities		70,071		64,863
Total	$	74,263	$	64,981