Financial Instruments - Carrying Amounts and Estimated Fair Values of Notes (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
2023 notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Net Carrying Amount	$ 23,506	$ 23,431
Estimated Fair Value	23,264	22,147
2025 notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Net Carrying Amount	268,122	512,683
Estimated Fair Value	223,668	309,292
2027 notes
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Net Carrying Amount	566,594	565,474
Estimated Fair Value	$ 399,625	$ 267,398