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Income Taxes (Notes)
 6 Months Ended
Jun. 30, 2022
Income Tax Disclosure [Abstract]  
Income Tax Disclosure [Text Block]
The Company’s provision for income taxes for the three and six months ended June 30, 2022 and 2021 is based on the estimated annual effective tax rate, plus or minus discrete items. The following table presents the provision for income taxes and the effective tax rates for the three and six months ended June 30, 2022 and 2021:
Three Months Ended June 30,Six Months Ended June 30,
2022202120222021
Income before provision for income taxes$63,948$46,941$161,901 $74,948 
Income tax expense$15,033$9,600$38,393$15,276 
Effective tax rate23.5%20.5%23.7%20.4%

The difference between the Company’s effective tax rates of 23.5% and 20.5% and 23.7% and 20.4% for the three and six months ended June 30, 2022 and 2021, respectively, is primarily due to the decreased discrete benefit from the exercising and vesting of share-based awards and the expected jurisdictional mix of profit and losses from each period.

The Company recognizes interest and penalties, if any, related to uncertain income tax positions in income tax expense. Accrued interest and penalties on unrecognized tax benefits, and interest and penalty expense are immaterial to the consolidated financial statements.
The Company files income tax returns in the U.S. for federal, state, and local purposes, and in certain foreign jurisdictions. The Company's tax years 2018 through 2021 remain open to examination by most taxing authorities.