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Income Taxes
3 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company files U.S. federal income tax returns and various state income tax returns. The Company is not subject to any state or federal income tax audits as of March 31, 2023. The Company's income tax returns are generally open to examination from 2019 forward and the net operating losses acquired in the acquisition of nTelos are open to examination from 2002 forward.

The effective tax rates for the three months ended March 31, 2023 and 2022, differ from the statutory U.S. federal income tax rate of 21% primarily due to the state income taxes, excess tax benefits and other discrete items.
 Three Months Ended
March 31,
(in thousands)20232022
Expected tax expense (benefit) at federal statutory$807 $(115)
State income tax expense (benefit), net of federal tax effect210 (32)
Excess tax deficiency from share-based compensation and other expense, net762 200 
Income tax expense $1,779 $53 

The Company received $25.0 million in cash refunds for income taxes for the three months ended March 31, 2023. The Company made no cash payments and received no cash refunds for income taxes for the three months ended March 31, 2022.