Basis of Presentation - Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Basis of Presentation
Cash and cash equivalents	$ 160,736	$ 248,692	$ 111,937	$ 200,512
Restricted cash included in prepaid expense and other current assets	$ 5,810	$ 10,299	$ 21,089	$ 5,131
Restricted Cash, Statement of Financial Position	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows	$ 166,546	$ 258,991	$ 133,026	$ 205,643