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Financial Instruments and Fair Value Measurements
3 Months Ended
Mar. 31, 2022
Fair Value Disclosures [Abstract]  
Financial Instruments and Fair Value Measurements Financial Instruments and Fair Value Measurements
The Company records long-term debt at carrying value less unamortized discount and unamortized fees as it is not required to be carried at fair value on a recurring basis. The fair value of long-term debt was determined using observable inputs (Level 2). The valuation considers the present value of expected future repayments, discounted using a market interest rate equal to the interest margin on the borrowings and variable interest rate.

The following table presents the carrying values and the estimated fair values of long-term debt as of March 31, 2022 and December 31, 2021:

March 31, 2022December 31, 2021
(in thousands) Carrying ValueFair ValueCarrying ValueFair Value
Long-term debt, including current portion(1)
$94,282 $100,161 $82,124 $96,089 

(1) At March 31, 2022 and December 31, 2021, the carrying value of long-term debt is net of unamortized original issue discount and debt issuance costs of $5.7 million and $3.4 million, respectively.

The Company's financial instruments, including cash and cash equivalents, deposits, accounts receivable, and accounts payable are carried at cost, which approximates their fair value due to the short-term nature of these instruments. The Company does not have financial instruments that are measured at fair value on a recurring basis as of March 31, 2022 and December 31, 2021.