Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2023

Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]

Fair Value Assets and Liabilities Measured on Recurring Basis

The following tables provide a summary of the Company’s significant financial assets and liabilities carried at fair value and measured on a recurring basis as of March 31, 2023 and December 31, 2022 (in thousands):

			Fair Value Measurements at March 31, 2023
	Carrying Value at March 31, 2023		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Restricted investment:
Rabbi Trusts	$	44,712	$	7,014	$	37,698	$	—
Marketable equity and fixed income securities		36,844		10,051		26,793		—
Interest rate swap derivatives		3,313		—		3,313		—

			Fair Value Measurements at December 31, 2022
	Carrying Value at December 31, 2022		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Restricted investments:
Rabbi Trust	$	36,982	$	—	$	36,982	$	—
Marketable equity and fixed income securities		25,939		—		25,939		—
Interest rate swap derivatives		4,613		—		4,613		—