Line of Credit (Details) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Maximum ratio of total liabilities to tangible net worth	2.50
Line of Credit
Debt Instrument [Line Items]
Accordion feature allowing for increase in borrowing capacity	$ 100.0
Letters of credit outstanding amount	6.5
Available borrowing under letter of credit	43.5
Line of credit borrowings	$ 0.0	$ 0.0
EBITDA ratio	0.00
Line of Credit | Unsecured Revolving Line of Credit
Debt Instrument [Line Items]
Total availability under line of credit agreement	$ 50.0
Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Available borrowing under letter of credit	$ 20.0
Minimum | Line of Credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate (as a percentage)	1.00%
Maximum | Line of Credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate (as a percentage)	1.50%