Debt - Senior Notes Net Interest Expense (Details) - Senior Notes - 6.125% Senior Notes - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest Expense and Amortization of Debt Issue Costs
Interest expense	$ 8,422	$ 8,735	$ 16,844	$ 17,464
Debt issue cost amortization	321	321	642	642
Debt discount amortization	333	313	661	621
Total	$ 9,076	$ 9,369	$ 18,147	$ 18,727

Amount of amortization expense attributable to debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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