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Supplemental Cash Flow Information - Summary of Cash and Restricted Cash Reconciliation (Detail)

v3.21.2
Supplemental Cash Flow Information - Summary of Cash and Restricted Cash Reconciliation (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash and Restricted Cash Reconciliation [Abstract]      
Cash and Cash Equivalents, at Carrying Value $ 113,377 $ 36,125 $ 27,397
Restricted Cash, Current 1,640 1,287 1,363
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 115,017 $ 37,412 $ 28,760