Debt and Credit Agreements

9 Months Ended

Sep. 30, 2020

The Company’s debt and credit agreements consisted of the following:


(In thousands)	September 30, 2020		December 31, 2019
6.51% weighted-average senior notes(1)	$	37,000	$	124,000
5.58% weighted-average senior notes(2)	175,000		175,000
3.65% weighted-average senior notes(3)	925,000		925,000
Revolving credit facility	28,000		—
Unamortized debt issuance costs	(3,288)		(3,975)
	$	1,161,712	$	1,220,025

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(1)Includes $87.0 million of current portion of long-term debt at December 31, 2019, which the Company repaid in July 2020.

(2)Includes $88.0 million of current portion of long-term debt at September 30, 2020 due in January 2021.

(3)Includes $100.0 million of current portion of long-term debt at September 30, 2020 due in September 2021.

At September 30, 2020, the Company was in compliance with all restrictive financial covenants for both its revolving credit facility and senior notes.

Revolving Credit Agreement

The borrowing base under the terms of the Company's revolving credit facility is redetermined annually in April. In addition, either the Company or the banks may request an interim redetermination twice a year or in connection with certain acquisitions or divestitures of oil and gas properties. Effective April 23, 2020, the borrowing base and available commitments were reaffirmed at $3.2 billion and $1.5 billion, respectively.

At September 30, 2020, the Company had $28.0 million of borrowings outstanding under its revolving credit facility at a weighted-average interest rate of 4.0 percent and had unused commitments of $1.5 billion. The Company's weighted-average effective interest rate for the revolving credit facility was approximately 4.0 percent for both the three and nine months ended September 30, 2020.