Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2024

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, 2024 and December 31, 2023 (in thousands):

			Fair Value Measurements at March 31, 2024
	Carrying Value at March 31, 2024		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Restricted investment:
Rabbi Trusts	$	53,403	$	9,692	$	43,711	$	—
Marketable equity and fixed income securities		52,250		23,366		28,884		—
Other non-current assets		19,186		—		19,186		—
Interest rate swap derivatives		4,733		—		4,733		—

			Fair Value Measurements at December 31, 2023
	Carrying Value at December 31, 2023		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Restricted investments:
Rabbi Trust	$	51,247	$	9,547	$	41,700	$	—
Marketable equity and fixed income securities		47,382		19,010		28,372		—
Other non-current assets		18,887		—		18,887		—
Interest rate swap derivatives		3,849		—		3,849		—