Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Unrecognized tax benefits at beginning of period	$ 8,652	$ 9,366
Decreases related to expired carryforwards	(1,126)	(1,481)
Increases related to prior year tax positions	100	258
Increases related to current year tax positions	298	509
Unrecognized tax benefits at end of period	$ 7,924	$ 8,652