Lines of Credit and Total Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

Our debt obligations at December 31, 2020 and 2019, net of any unamortized debt issuance costs or discount, were as follows:

	December 31,
	2020		2019
	(Dollars in thousands)
$250 million 5.625% senior notes due February 2020, net	$	—	$	249,909
$250 million 5.500% senior notes due January 2024, net	249,233		249,005
$300 million 3.850% senior notes due January 2030, net	297,458		—
$500 million 6.000% senior notes due January 2043, net	490,700		490,508
Total	$	1,037,391	$	989,422