Financial Instruments and Fair Value Disclosures - Additional Information (Detail) - USD ($) $ in Thousands	4 Months Ended	6 Months Ended		12 Months Ended
	Apr. 23, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Letters of credit to guarantee				$ 12,800
Trade receivables past due		$ 5,800
Trade receivables reserved for previous years		5,500
Trade receivables remaining past due		300
Trade receivables, older than 90 Days past due		0
Fully-reserved receivable outside of ordinary course of business		500
Allowance for credit losses		$ 6,142		5,562
Loss on impairment of assets	$ 197,027		$ 774,028
Measurement period for determining fair value of debt instruments		10 days
Fair Value Recurring [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Loss on impairment of assets		$ 0		0
ASU 2016-13 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Estimate of credit losses		$ 700		$ 100