Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table presents the carrying values and the estimated fair values of long-term debt as of December 31, 2021 and 2020:

	December 31, 2021				December 31, 2020
(in thousands)	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt, including current portion(1)	$	82,124	$	96,089	$	99,146	$	107,504

(1) At December 31, 2021 and 2020, the carrying value of long-term debt is net of unamortized original issue discount and debt issuance costs of $3.4 million and $5.5 million, respectively.