Debt and Credit Facilities (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of Debt

Debt consisted of the following (in thousands):

	June 30, 2021			December 31, 2020
Short-Term:
Senior notes	$	50,000		$	50,000
Total Short-Term		50,000			50,000
Long-Term:
Senior notes		200,000			200,000
Convertible senior notes		400,000			400,000
Debt discount		-			(51,138	)
Debt issuance costs		(9,124	)		(8,864	)
Total long-term		590,876			539,998
Total Debt	$	640,876		$	589,998

Schedule of Aggregate Amount of Debt

On July 1, 2014, the Company finalized a private placement whereby the Company raised an aggregate amount of $250.0 million in debt as follows (in thousands):

Tranche	Debt Amount		Maturity Date	Interest Rates
Senior Note, Series A	$	50,000	July 15, 2021		4.44	%
Senior Note, Series B		100,000	July 15, 2024		4.98	%
Senior Note, Series C		60,000	July 15, 2026		5.13	%
Senior Note, Series D		40,000	July 15, 2029		5.38	%