Long-term debt (Tables)

9 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Our long-term debt is summarized below (in thousands):

	Sept. 30, 2023		Dec. 31, 2022
Unsecured notes bearing fixed rate interest at 4.75% due March 2026	$	550,000	$	550,000
Unsecured notes bearing fixed rate interest at 7.75% due June 2027	200,000		200,000
Unsecured notes bearing fixed rate interest at 7.25% due September 2027	240,000		240,000
Unsecured notes bearing fixed rate interest at 4.625% due March 2028	1,000,000		1,000,000
Unsecured notes bearing fixed rate interest at 5.00% due September 2029	1,100,000		1,100,000
Total principal long-term debt	3,090,000		3,090,000
Debt issuance costs	(23,439)		(26,911)
Unamortized premiums	5,338		6,227
Total long-term debt	$	3,071,899	$	3,069,316