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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Operating Loss Carryforwards [Line Items]        
Estimated Average Annual Tax Rate     24.00% 24.00%
Recovery of (provision for) income taxes $ (69) $ 3,284 $ 943 $ (1,152)