Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value on Recurring Basis

Assets measured at fair value on a recurring basis are summarized below (in thousands).

	Level 1		Level 2		Level 3		Total at March 31, 2022
Equity Security	$	4,932	$	—	$	—	$	4,932
Equity Mutual Fund	$	—	$	16,503	$	—	$	16,503
Commodity Mutual Fund	$	—	$	293	$	—	$	293
Derivative Contract Asset	$	1,087	$	—	$	—	$	1,087
U.S. Treasury Mutual Funds	$	12,889	$	—	$	—	$	12,889

	Level 1		Level 2		Level 3		Total at December 31, 2021
Equity Security	$	416	$	4,734	$	—	$	5,150
Equity Mutual Fund	$	—	$	9,523	$	—	$	9,523
Commodity Mutual Fund	$	—	$	249	$	—	$	249
Derivative Contract Asset	$	1,245	$	—	$	—	$	1,245
U.S. Treasury Mutual Funds	$	12,889	$	—	$	—	$	12,889