Debt - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2026
Debt Instrument [Line Items]
Percentage of voting equity of subsidiaries		65.00%
Debt instrument interest rate	6.69%	6.69%
Line of credit facility, available borrowing capacity	$ 114.4	$ 114.4
Weighted average interest rate	6.68%	6.67%
Letters of Credit [Member]
Debt Instrument [Line Items]
Available for issuance of letter of credit	$ 5.0	$ 5.0
Issuance of letter of credit	0.6	$ 0.6
Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility maturity date		Dec. 31, 2026
Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 150.0
Increase (decrease) in line of credit facility	$ 50.0	$ 50.0