Trade Accounts Receivable and Allowance for Doubtful Accounts - Customers Accounted for 10% or More of Trade Accounts Receivable, Net (Detail) - Accounts Receivable [Member] - Credit Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Company A [Member]
Concentration Risk [Line Items]
Percentage of trade accounts receivable of major customers	43.00%	69.00%
Company B [Member]
Concentration Risk [Line Items]
Percentage of trade accounts receivable of major customers	15.00%	0.00%
Company C [Member]
Concentration Risk [Line Items]
Percentage of trade accounts receivable of major customers	11.00%	0.00%