Summary of Fair Value of Level 3 Financial Liabilities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value at the beginning of the period	$ 43,600
Changes in estimated fair value	(6,700)	$ (7,200)
Fair value at the end of the period	36,900	43,600
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value at the beginning of the period	43,600	50,800
Additions	0	0
Changes in estimated fair value	(6,700)	(7,200)
Fair value at the end of the period	$ 36,900	$ 43,600