Derivative Financial Instruments - Fair Values of Outstanding Zero Cost Collar and Forward Contracts Recorded as Assets and Liabilities (Detail) - Zero Cost Collars [Member] - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Asset Derivatives:
Other current assets	$ 2,020	$ 2,036
Liability Derivatives:
Other current liabilities		195
Other Current Assets [Member]
Asset Derivatives:
Other current assets	0	$ 2,036
Other Current Liabilities [Member]
Liability Derivatives:
Other current liabilities	$ 2,020