Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of maturities of long-term debt outstanding

Scheduled maturities of our long-term debt outstanding as of June 30, 2021 are as follows (in thousands):

	Term		2022		2023		2026		MARAD
	Loan		Notes		Notes		Notes		Debt		Total
Less than one year	$	28,000	$	35,000	$	—	$	—	$	7,746	$	70,746
One to two years		—		—		—		—		8,133		8,133
Two to three years		—		—		30,000		—		8,538		38,538
Three to four years		—		—		—		—		8,965		8,965
Four to five years		—		—		—		200,000		9,412		209,412
Over five years		—		—		—		—		9,882		9,882
Gross debt		28,000		35,000		30,000		200,000		52,676		345,676
Unamortized debt issuance costs (1)		(95)		(159)		(402)		(6,501)		(2,805)		(9,962)
Total debt		27,905		34,841		29,598		193,499		49,871		335,714
Less current maturities		(27,905)		(34,841)		—		—		(7,746)		(70,492)
Long-term debt	$	—	$	—	$	29,598	$	193,499	$	42,125	$	265,222

(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				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Interest expense	$	5,943	$	7,179	$	12,055	$	14,573
Capitalized interest		—		—		—		(1,182)
Interest income		(24)		(116)		(83)		(582)
Net interest expense	$	5,919	$	7,063	$	11,972	$	12,809