FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2023

FAIR VALUE MEASUREMENTS

Schedule of financial assets and liabilities measured at fair value

	Estimated Fair Value December 31, 2023
	Total		Input Levels Used
	Fair Value		Level 1		Level 2		Level 3
Cash and equivalents	$	75,915	$	75,915	$	—	$	—
Available for sale securities		263,313		4,084		259,229		—
Foreign currency derivatives		302		—		302		—
Commodity derivatives		(2,526)		(2,526)		—		—
Trading securities		87,800		70,681		17,119		—
Total assets measured at fair value	$	424,804	$	148,154	$	276,650	$	—

	Estimated Fair Value December 31, 2022
	Total		Input Levels Used
	Fair Value		Level 1		Level 2		Level 3
Cash and equivalents	$	53,270	$	53,270	$	—	$	—
Available for sale securities		272,448		1,889		270,559		—
Foreign currency derivatives		(282)		—		(282)		—
Commodity derivatives		10		10		—		—
Trading securities		71,208		56,049		15,159		—
Total assets measured at fair value	$	396,654	$	111,218	$	285,436	$	—

Summary of the aggregate fair value, gross unrealized gains, gross unrealized losses, realized losses and amortized cost basis of investment portfolio by major security type

	December 31, 2023
	Amortized		Fair		Unrealized
Available for Sale:	Cost		Value		Gains		Losses
Municipal bonds	$	—	$	—	$	—	$	—
Variable rate demand notes		4,590		4,590		—		—
Corporate bonds		257,766		254,640		—		(3,126)
Government securities		4,070		4,083		—		13
Certificates of deposit		—		—		—		—
	$	266,426	$	263,313	$	—	$	(3,113)

	December 31, 2022
	Amortized		Fair		Unrealized
Available for Sale:	Cost		Value		Gains		Losses
Municipal bonds	$	41	$	40	$	—	$	(1)
Variable rate demand notes		4,800		4,800		—		—
Corporate bonds		276,148		264,575		—		(11,573)
Government securities		1,924		1,889		—		(35)
Certificates of deposit		1,157		1,144		—		(13)
	$	284,070	$	272,448	$	—	$	(11,622)