Long-Term Debt And Other Long-Term Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Long-Term Debt

As of the date indicated, our long-term debt consisted of the following:

	March 31, 2020		December 31, 2019
	(In thousands)
Current portion of long-term debt:
Unit credit agreement with an average interest rate of 2.9% and 4.0% at March 31, 2020 and December 31, 2019, respectively	$	124,000	$	108,200
6.625% senior subordinated notes due 2021	650,000		—
Total principal amount	774,000		108,200
Less: unamortized discount	(801)		—
Less: debt issuance costs, net	(1,916)		—
Total current portion of long-term debt	771,283		108,200
Long-term debt:
Superior credit agreement with an average interest rate of 2.7% and 3.9% at March 31, 2020 and December 31, 2019, respectively	37,000		16,500
6.625% senior subordinated notes due 2021	—		650,000
Total principal amount	37,000		666,500
Less: unamortized discount	—		(971)
Less: debt issuance costs, net	—		(2,313)
Total long-term debt	$	37,000	$	663,216

Other Long-Term Liabilities

Other long-term liabilities consisted of the following:

	March 31, 2020		December 31, 2019
	(In thousands)
Asset retirement obligation (ARO) liability	$	63,819	$	66,627
Workers’ compensation	11,178		11,510
Finance lease obligations	6,354		7,379
Contract liability	6,343		7,061
Separation benefit plans	9,719		10,122
Deferred compensation plan	5,303		6,180
Gas balancing liability	3,838		3,838
	106,554		112,717
Less current portion	18,317		17,376
Total other long-term liabilities	$	88,237	$	95,341