Debt - Additional Information (Details) - USD ($)			3 Months Ended		9 Months Ended
	Nov. 18, 2019	May 03, 2019	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Letters of credit outstanding			$ 37,500,000		$ 37,500,000		$ 37,700,000
Restricted cash			40,713,000		40,713,000		0
Term Loan A Facility
Debt Instrument [Line Items]
Interest expense			0	$ 900,000	600,000	$ 2,600,000
Term Loan A Facility | Morgan Stanley Senior Funding, Inc | Credit Agreement
Debt Instrument [Line Items]
Debt instrument term, years		4 years
Debt instrument, aggregate principal amount		$ 100,000,000
Amount borrowed under debt facility	$ 100,000,000
Term Loan A Facility | Morgan Stanley Senior Funding, Inc | Credit Agreement | Adjusted One-Month LIBOR
Debt Instrument [Line Items]
Debt instrument, applicable margin on variable rate	1.75%
Revolving Credit Facility | Morgan Stanley Senior Funding, Inc | Credit Agreement
Debt Instrument [Line Items]
Debt instrument term, years		4 years
Maximum borrowing capacity		$ 100,000,000
Letters of credit outstanding			$ 37,500,000		$ 37,500,000		$ 37,700,000