Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Schedule of maturities of long-term debt outstanding

Scheduled maturities of our long-term debt outstanding as of March 31, 2021 are as follows (in thousands):

	Term		2022		2023		2026		MARAD
	Loan		Notes		Notes		Notes		Debt		Total
Less than one year	$	28,875	$	—	$	—	$	—	$	7,746	$	36,621
One to two years		—		35,000		—		—		8,133		43,133
Two to three years		—		—		30,000		—		8,539		38,539
Three to four years		—		—		—		—		8,965		8,965
Four to five years		—		—		—		200,000		9,412		209,412
Over five years		—		—		—		—		9,881		9,881
Gross debt		28,875		35,000		30,000		200,000		52,676		346,551
Unamortized debt issuance costs (1)		(143)		(206)		(445)		(6,792)		(2,927)		(10,513)
Total debt		28,732		34,794		29,555		193,208		49,749		336,038
Less current maturities		(28,732)		—		—		—		(7,746)		(36,478)
Long-term debt	$	—	$	34,794	$	29,555	$	193,208	$	42,003	$	299,560

(1) Debt issuance costs are amortized to interest expense over the term of the applicable debt agreement. See Note 1 for accounting changes as a result of the adoption of ASU No. 2020-06.

Schedule of components of net interest expense

The following table details the components of our net interest expense (in thousands):

	Three Months Ended
	March 31,
	2021		2020
Interest expense	$	6,112	$	7,394
Capitalized interest		—		(1,182)
Interest income		(59)		(466)
Net interest expense	$	6,053	$	5,746