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Income Taxes
 6 Months Ended
Jun. 30, 2024
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
For each interim reporting period, we make an estimate of the effective tax rate we expect to be applicable for the full year for our operations. This estimated effective tax rate is used in providing for income taxes on a year-to-date basis. Our effective tax rate was as follows:
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Effective tax rate24.8%(15.5)%(13.3)%11.1%
The fluctuation in the effective tax rate over the periods presented above was primarily attributable to the litigation settlement and patent sale in the second quarter of 2024 (as described in Note 13 — Commitments and Contingencies), and a tax benefit of $0.1 million and tax expense of $0.6 million related to stock-based compensation windfall and shortfall recognized for the three and six months ended June 30, 2024, respectively. The effective tax rate for the six months ended June 30, 2024 is less than the U.S. federal and state statutory rates due primarily to stock-based compensation adjustments.