Financial Instruments and Fair Value Disclosures - Assets Measured at Fair Value on Recurring and Nonrecurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Costs and Expenses	Costs and Expenses
Director [Member] | Recurring Fair Value Measurements [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liability-classified Director restricted stock units	$ (1,607)	$ (1,258)
Total Losses	(219)	(230)
Level 1 [Member] | Director [Member] | Recurring Fair Value Measurements [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liability-classified Director restricted stock units	$ (1,607)	$ (1,258)