LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Summary of Long-Term Debt

As of December 31, 2020 and 2019, our long-term debt and finance lease obligations are summarized as follows (in thousands):

	December 31,
	2020		2019
ABL Facility	$	9,000	$	—
Term Loan	213,809		—
Credit Facility revolver	—		73,876
Credit Facility term loan	—		49,735
Total	222,809		123,611
Convertible debt1	84,534		201,619
Finance lease obligations	5,153		5,363
Total debt and finance lease obligations	312,496		330,593
Current portion of long-term debt and finance lease obligations	(337)		(5,294)
Total long-term debt and finance lease obligations, less current portion	$	312,159	$	325,299

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1        Comprised of principal amount outstanding, less unamortized discount and issuance costs. See Convertible Debt section below for additional information.

Schedule of Future Maturities of Long-term Debt

Future maturities of long-term debt, excluding finance leases, are as follows (in thousands):

December 31
2021	$	—
2022	—
2023	93,130
2024	9,000
2025	—
Thereafter	250,000
Total	$	352,130

Convertible Debt

As of December 31, 2020 and 2019, the Notes were recorded in our consolidated balance sheet as follows (in thousands):

	December 31,
	2020		2019
Liability component:
Principal	$	93,130	$	230,000
Unamortized issuance costs	(1,440)		(4,756)
Unamortized discount	(7,156)		(23,625)
Net carrying amount of the liability component1	84,534		201,619
Equity component:
Carrying amount of the equity component, net of issuance costs2	$	7,969	$	13,912
Carrying amount of the equity component, net of issuance costs3	$	37,276	$	45,377

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1    Included in the “Long-term debt and finance lease obligations” line of the consolidated balance sheets.

2    Relates to the portion of the Notes accounted for under ASC 470-20 (defined below) and is included in the “Additional paid-in capital” line of the consolidated balance sheets.

3    Relates to the portion of the Notes accounted for under ASC 815-15 (defined below) and is included in the “Additional paid-in capital” line of the consolidated balance sheets.

The following table sets forth interest expense information related to the Notes (dollars in thousands):

	Twelve Months Ended December 31,
	2020			2019
Coupon interest	$	11,329		$	11,500
Amortization of debt discount and issuance costs	6,938			6,435
Total interest expense	$	18,267		$	17,935
Effective interest rate	9.12		%	9.12		%