The following table summarizes cash and cash equivalents and restricted cash balances contained on our consolidated balance sheets: | | | | | | | | | | | | | | | | | | | | | | | | | December 31, | | Cash and Cash Equivalents and Restricted Cash | 2020 | | 2019 | | 2018 | | 2017 | | Cash and cash equivalents | $ | 9,740 | | | $ | 12,130 | | | $ | 5,204 | | | $ | 50,498 | | | Restricted cash in Other current assets | 9 | | | 69 | | | 61 | | | 6 | | | Restricted cash in Other Assets | 121 | | | 96 | | | 135 | | | 428 | | | Cash and cash equivalents and restricted cash | $ | 9,870 | | | $ | 12,295 | | | $ | 5,400 | | | $ | 50,932 | |
The following table summarizes cash paid during the periods for interest and income taxes: | | | | | | | | | | | | | | | | | | | Consolidated Statements of Cash Flows | 2020 | | 2019 | | 2018 | Cash paid (received) during the year for: | | | | | | | Interest | $ | 8,237 | | | $ | 8,693 | | | $ | 8,818 | | | Income taxes, net of refunds | 993 | | | 1,421 | | | (354) | | Spectrum acquisitions | 1,613 | | | 1,576 | | | 521 | |
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