Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2019

The Company’s carrying value of long-term debt consisted of the following:



	December 31, 2019		December 31, 2018
	(In thousands)

Revolving credit facility, including swingline credit facility (weighted average combined interest rate of 2.3% and 2.8% as of December 31, 2019 and December 31, 2018, respectively)	$	167,227	$	259,081
1.00% Convertible Senior Notes due December 2020, net of unamortized discount and capitalized debt issuance costs	275,703		263,507
5.50% Senior Notes due May 2025, net of capitalized debt issuance costs	296,545		295,897
Total long-term debt	$	739,475	$	818,485

Schedule of Interest Expense Related to Convertible Notes

The Company’s interest expense related to the Convertible Notes consisted of the following:



	Year Ended December 31,
	2019		2018		2017
	(In thousands)
Cash interest per contractual coupon rate	$	2,875	$	2,875	$	2,875
Amortization of note discount	11,341		10,762		10,210
Amortization of debt issuance costs	855		772		695
Total interest expense related to Convertible Notes	$	15,071	$	14,409	$	13,780

Schedule of Convertible Debt

The Company’s carrying value of the Convertible Notes consisted of the following:



	December 31, 2019			December 31, 2018
	(In thousands)
Principal balance	$	287,500		$	287,500
Unamortized discount and capitalized debt issuance costs	(11,797		)	(23,993		)
Net carrying amount of Convertible Notes	$	275,703		$	263,507

Schedule of Maturities of Long-Term Debt

Aggregate maturities of the principal amounts of the Company’s long-term debt as of December 31, 2019, for each of the next five years, and thereafter is as follows (in thousands):



2020	$	287,500
2021	—
2022	—
2023	—
2024	167,227
Thereafter	300,000
Total	$	754,727