Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2007
CALIFORNIA
Income Tax [Line Items]
Net operating loss carryforwards	$ 75.2
Federal Income Tax
Income Tax [Line Items]
Net operating loss carryforwards	$ 193.4	$ 156.5
Net operating loss carryforwards expiration year	2037
Net operating loss carryforwards having indefinite life	$ 191.9
State Income Tax
Income Tax [Line Items]
Net operating loss carryforwards	$ 13.8
Net operating loss carryforwards expiration year	2034