Debt - Senior Notes Net Interest Expense (Details) - Senior Notes - 6.125% Senior Notes - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest Expense and Amortization of Debt Issue Costs
Interest expense	$ 8,422	$ 8,740	$ 25,266	$ 26,204
Debt issue cost amortization	321	321	963	963
Debt discount amortization	339	318	1,000	938
Total	$ 9,082	$ 9,379	$ 27,229	$ 28,105

Amount of amortization expense attributable to debt issuance costs.

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