Quarterly report pursuant to Section 13 or 15(d)

Unaudited Interim Condensed Consolidated Statements of Cash Flows Supplemental Information - Summary of Changes in Other Non-Cash Operating Assets and Liabilities (Detail)

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Unaudited Interim Condensed Consolidated Statements of Cash Flows Supplemental Information - Summary of Changes in Other Non-Cash Operating Assets and Liabilities (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Increase (Decrease) in Operating Capital [Abstract]    
Decrease (increase) in accounts receivables $ (291) $ 2,462
Decrease (increase) in prepaid expenses (267) 730
Decrease (increase) in inventories (2,205) (2,693)
Decrease (increase) in other assets (548) 835
Increase (decrease) in accounts payable (1,746) (5,764)
Increase (decrease) in accrued and other liabilities 12,466 21,509
Total $ 7,409 $ 17,079