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INCOME TAXES
6 Months Ended
Jun. 30, 2021
INCOME TAXES  
INCOME TAXES

13.  INCOME TAXES

The Company generally determines its periodic income tax expense or benefit based upon the current period income or loss and the annual estimated tax rate for the Company adjusted for discrete items including changes to prior period estimates. In certain instances the Company uses the discrete method when it believes the actual year-to-date effective rate provides a more reliable estimate of its income tax rate for the period. The estimated tax rate is revised, if necessary, as of the end of each successive interim period during the fiscal year to the Company’s current annual estimated tax rate.

For the three months ended June 30, 2021, the effective rate reflects a provision of 4.8 percent compared to a benefit of 35.7 percent for the comparable period in the prior year. For the six months ended June 30, 2021, the effective rate reflects a benefit of 6.2 percent compared to a benefit of 28.0 percent for the comparable period in the prior year. The beneficial effective tax rate is mainly related to the unfavorable permanent adjustments together with detrimental discrete adjustments related to restricted stock vesting and the employee retention credit.