Long-Term Debt - Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

A schedule of long-term debt, excluding current portion, at December 31, 2019 and 2018 is as follows: 

	December 31, 2019		December 31, 2018
Term note - due 2023	$	—	$	95,000
Revolving credit facility - due 2023	220,500		425,000
Convertible senior notes - due 2024	345,000		—
Long-term debt including current maturities	$	565,500	$	520,000
Less current maturities	—		10,000
Less unamortized discount	61,234		—
Less debt issuance cost	7,108		772
Total long-term debt	$	497,158	$	509,228

Schedule of Future Payments under Long-Term Debt obligations

December 31, 2019, future payments under long-term debt obligations over each of the next five years are as follows: 

	Long-term debt
2020	$	—
2021	—
2022	—
2023	220,500
2024	345,000
Minimum future payments of principal	$	565,500

Schedule of New Carrying Amount of Liability and Equity Components of Notes

The net carrying amount of the liability component of the Convertible Senior Notes was as follows:

	December 31, 2019
Principal	$	345,000
Unamortized discount	(61,234		)
Unamortized issuance cost	(7,108		)
Net carrying amount	$	276,658

The net carrying amount of the equity component of the Convertible Senior Notes was as follows:

	December 31, 2019
Proceeds allocated to the conversion option (debt discount)	$	67,664
Issuance cost	(1,944		)
Income tax expense	(15,597		)
Net carrying amount	$	50,123

Schedule of Interest Expense Recognized Related to Notes

The following table sets forth the interest expense recognized related to the Convertible Senior Notes:

	For the years ended December 31,
	2019
Contractual interest expense	$	3,304
Amortization of debt discount	6,430
Amortization of debt issuance costs	865
Total interest expense related to the Convertible Senior Notes	$	10,599

Accumulated OCI Balance Attributable to Cash Flow Derivatives

The following table summarizes the effects of ASC 815 on the Company's accumulated OCI balance attributable to cash flow derivatives:

	Years Ended December 31
	2019			2018
Accumulated OCI beginning balance	$	975		$	965
Reclassified from accumulated OCI to income:
Due to reclassification of previously deferred gain	(531		)	(469		)
Change in fair value of cash flow hedge accounting contracts, net of tax	(1,445		)	479
Accumulated OCI ending balance, net of tax (expense) benefit of ($4) and $393, respectively	$	(1,001	)	$	975
Gains expected to be realized from accumulated OCI during the next 12 months	$	531		$	—