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Income taxes (Tables)
9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
Schedule of income tax provisions The income tax provision from income taxes in the periods presented is based upon the income (loss) before income taxes (in thousands):
 Three Months Ended
September 30,
Nine Months Ended
September 30,
 2021202020212020
Income tax (provision) benefit$(456)$1,206 $(1,279)$(1,199)