Long Term Debt (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2021

Dec. 31, 2020

Long-term Debt, Unclassified [Abstract]

Summary of Components of Long-term Debt

The table below summarizes the components of the Company’s long-term debt (in thousands):

	September 30, 2021			December 31, 2020
First lien facility due 2022	$	—		$	289,000
Convertible debenture notes due 2024		221,115			214,541
2021 Credit Agreement due 2026		298,500			—
Total debt		519,615			503,541
Less: unamortized original issue discount		(15,600	)		(16,126	)
Less: unamortized debt issuance costs		(1,832	)		(3,867	)
Total debt, net		502,183			483,548
Current portion of debt		3,000			17,000
Less: current portion of unamortized original issue discount		—			(4,312	)
Less: current portion of unamortized debt issuance costs		—			(1,740	)
Total current portion of debt, net		3,000			10,948
Total long-term debt, net	$	499,183		$	472,600

The table below summarizes the components of the Company’s long-term debt (in thousands):

	December 31,
	2020			2019
First lien facility due 2022		289,000			306,000
Convertible debenture notes due 2024		214,541			200,000
Total debt		503,541			506,000
Less: unamortized original issue discount		(16,126	)		(19,806	)
Less: unamortized debt issuance costs		(3,867	)		(5,573	)
Total debt, net		483,548			480,621
Current portion of debt		17,000			17,000
Less: current portion of unamortized original issue discount		(4,312	)		(3,687	)
Less: current portion of unamortized debt issuance costs		(1,740	)		(1,624	)
Total current portion of debt, net		10,948			11,689
Total long-term debt, net	$	472,600		$	468,932

Summary of Future Principal Payments, Including in Kind Interest

Future principal payments, including in kind interest, are as follows (in thousands):

December 31,	Amount
2021		17,000
2022		272,000
2023		—
2024		277,287
Thereafter		—
Total	$	566,287

Schedule of Future Amortization of Debt Issuance Costs and Original Issue Discount

The future amortization of debt issuance costs and original issue discount related to the 2016 Credit Agreement, the Revolving Credit Facility and Convertible Debentures are as follows (in thousands):

December 31,	Amount
2021	$	6,052
2022		6,453
2023		3,528
2024		3,961
Total	$	19,994