Financing Arrangements - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Oct. 28, 2021	Sep. 07, 2021	Dec. 02, 2020	Jan. 10, 2020	Dec. 31, 2019	Sep. 05, 2018	Sep. 05, 2017
First Choice Bank - Prior Credit Facility [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity						$ 7.7	$ 10.0	$ 5.0
Letter of credit aggregate amount					$ 2.4
Line of credit facility, description	On September 5, 2017, the Company, as borrower, entered into a credit agreement with First Choice Bank, as lender, administrative agent and promissory note issuer for a $5.0 million revolving credit facility (the “2017 Facility”). On October 5, 2018, the principal amount of the 2017 Facility was increased to $10.0 million. On January 7, 2019, the Company amended the 2017 Facility to extend the maturity date to January 12, 2022 and carved out of the 2017 Facility two standby letters of credit. The Company had letters of credit aggregating to $2.3 million as of December 31, 2019. Availability under the 2017 Facility was $7.7 million as of December 31, 2019. On January 10, 2020, the Company amended and extended a letter of credit, increasing the aggregate of letters of credit to $2.4 million. In December 2020, the 2017 Facility was terminated
Line of credit facility, expiration date	Jan. 12, 2022
Revolving Credit Facility [Member] | First Choice Bank - Prior Credit Facility [Member]
Line Of Credit Facility [Line Items]
Letter of credit aggregate amount						$ 2.3
Revolving Credit Facility [Member] | JPMorgan Chase Bank - Existing Credit Facility [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 2.1			$ 50.0
Letter of credit aggregate amount	$ 1.9		$ 3.2
Line of credit facility, description	On December 2, 2020, the Company, as borrower, entered into a credit agreement with JPMorgan Chase Bank, N.A. for an initial $50.0 million revolving credit facility, including capacity to issue letters of credit (the “2020 Facility”). The 2020 Facility had a maturity date of December 2, 2025 (“2020 Facility Maturity Date”). Subject to certain conditions, the 2020 Facility also provided for an additional $25.0 million of capacity. Borrowings under the 2020 Facility were payable on the 2020 Facility Maturity Date and bore interest at LIBOR (with a 0.5% floor) plus 1.75%. The interest rate for undrawn amounts was 0.25%. On September 7, 2021, the Company terminated the 2020 Facility. Upon the termination of the 2020 Facility letters of credit with an aggregate face amount of approximately $3.2 million were outstanding but the reimbursement obligations of the Company were secured by cash collateral pledged by the Company to JPMorgan Chase Bank, N.A. in the amount of approximately $3.3 million or 105% of the amounts outstanding. On October 28, 2021, the Company cancelled letters of credit with an aggregate face amount of $1.3 million. As of December 31, 2021, letters of credit with an aggregate face amount of $1.9 million remained outstanding. The reimbursement obligations of the Company were secured by cash collateral pledged by the Company to JPMorgan Chase Bank, N.A. in the amount of approximately $2.1 million or 105% of the amounts outstanding.
Line of credit facility additional borrowing capacity	$ 25.0
Line Of Credit Facility Outstanding Borrowing	$ 3.3
Letter Of Credit Cancelled		$ 1.3
Line of credit facility, commitment fee percentage	0.25%
Revolving Credit Facility [Member] | Bank of America, N.A. [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity			$ 100.0
Letter of credit aggregate amount	$ 2.5
Line of credit facility, description	On September 7, 2021, the Company, as borrower, entered into a credit agreement with Bank of America, N.A. for a $100.0 million revolving credit facility, including capacity to issue letters of credit (the “2021 Facility”). The 2021 Facility is secured by substantially all assets of the Company and its material subsidiaries, subject to customary exceptions. The 2021 Facility has a maturity date of September 7, 2026 (“2021 Facility Maturity Date”). As of December 31, 2021, the Company had letters of credit aggregating to $2.5 million outstanding under the 2021 Facility and available borrowings of $97.5 million. As of December 31, 2021, the Company had no outstanding borrowings under the 2021 Facility. Borrowings under the 2021 Facility are payable on the 2021 Facility Maturity Date. Borrowings bear interest at either (a) the Eurodollar Rate (as defined in the 2021 Facility) plus 1.125% or (b) the Base Rate (as defined in the 2021 Facility) plus 0.125%. The interest rate for undrawn amounts is 0.175%. Costs associated with entering into the 2021 Facility were not material.
Line Of Credit Facility Outstanding Borrowing	$ 97.5
Debt instrument, basis spread on variable rate	1.125%
Revolving Credit Facility [Member] | Eurodollar [Member] | Bank of America, N.A. [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, commitment fee percentage	0.175%
Revolving Credit Facility [Member] | Base Rate [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	0.125%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | JPMorgan Chase Bank - Existing Credit Facility [Member]
Line Of Credit Facility [Line Items]
Line Of Credit Facility Outstanding Borrowing, Percentage	105.00%
Debt Instrument Interest Rate Effective Percentage	0.50%
Debt instrument, basis spread on variable rate	0.50%
Debt instrument, basis spread on variable rate	1.75%