Debt

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Debt

Debt

Debt consists of the following:

	June 30, 2022		December 31, 2021
	(in thousands)
$450 million senior unsecured notes due 2031 ("2020 Senior Notes") with an effective interest rate of 3.86%, less a discount and deferred issuance costs of $5.2 million and $5.5 million at June 30, 2022 and December 31, 2021, respectively	$	444,775	$	444,470
$400 million senior unsecured notes due 2029 ("2019 Senior Notes") with an effective interest rate of 3.88%, less a discount and deferred issuance costs of $4.5 million and $4.8 million at June 30, 2022 and December 31, 2021, respectively	395,538		395,237
$216.6 million senior unsecured notes due 2022 ("2012 Senior Notes") with an effective interest rate of 6.00%, less deferred issuance costs of $0.2 million at December 31, 2021 (2)	216,571		216,351
$600 million senior unsecured revolving credit facility (1)	—		—
Economic development loans with an effective interest rate of 3.00% at June 30, 2022 and December 31, 2021, respectively	4,416		4,416
Total debt	$	1,061,300	$	1,060,474
Less current portion (2)	216,571		216,351
Long-term debt	$	844,729	$	844,123

(1) During the third quarter of 2020, the Company utilized excess cash on hand to pay down its senior unsecured revolving credit facility balance in full and the facility remains undrawn as of June 30, 2022 and December 31, 2021. As there are no outstanding borrowings at June 30, 2022 or December 31, 2021, deferred issuance costs for the senior unsecured revolving credit facility of $2.0 million and $2.3 million, respectively, are presented in non-current Other assets in the consolidated balance sheets.

(2) The 2012 Senior Notes matured on July 1, 2022. The outstanding principal of $216.6 million was re-paid at maturity.

Refer to Note 12 and the Liquidity and Capital Resources header of "Management's Discussion and Analysis of Financial Condition and Results of Operations" for more information.