XML 68 R56.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Income Tax Disclosure [Abstract]    
Estimated Average Annual Tax Rate 26.00% 24.00%
Recovery of income taxes $ 1,839 $ 1,012