| Summary of the entity's segment information |
Segment information under the new five reportable segment basis, with a reconciliation to the consolidated statements of operations, is summarized as follows: | | | | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | | 2020 | | 2019 | | 2018 | Revenue: | | | | | | | | | | Carrier services | | $ | 107,746 | | $ | 115,806 | | $ | 117,953 | Military | | | 76,753 | | | 74,911 | | | 67,342 | Multifamily | | | 21,567 | | | 25,008 | | | 11,228 | Legacy | | | 29,134 | | | 46,058 | | | 54,248 | Private networks and emerging technologies | | | 2,216 | | | 2,007 | | | 50 | Total revenue | | $ | 237,416 | | $ | 263,790 | | $ | 250,821 |
| | | | | | | | | | | | Year Ended December 31, | | | 2020 | | 2019 | | 2018 | Income (loss) from operations: | | | | | | | | | | Carrier services | | $ | 19,671 | | $ | 30,043 | | $ | 31,294 | Military | | | 24,027 | | | 20,736 | | | 14,250 | Multifamily | | | (6,690) | | | (7,225) | | | (3,030) | Legacy | | | 42 | | | 5,616 | | | 6,101 | Private networks and emerging technologies | | | 1,266 | | | 1,963 | | | (26) | Unallocated overhead costs | | | (47,433) | | | (54,837) | | | (51,586) | Total loss from operations | | | (9,117) | | | (3,704) | | | (2,997) | Interest expense and amortization of debt discount | | | (9,004) | | | (8,618) | | | (2,400) | Interest income and other expense, net | | | 538 | | | 2,017 | | | 513 | Loss before income taxes | | $ | (17,583) | | $ | (10,305) | | $ | (4,884) |
| | | | | | | | | | | | Year Ended December 31, | | | 2020 | | 2019 | | 2018 | Depreciation and amortization of property and equipment and intangible assets: | | | | | | | | | | Carrier services | | $ | 47,381 | | $ | 41,210 | | $ | 50,933 | Military | | | 17,309 | | | 15,998 | | | 15,139 | Multifamily | | | 3,117 | | | 2,741 | | | 1,075 | Legacy | | | 7,770 | | | 8,103 | | | 9,101 | Private networks and emerging technologies | | | 10 | | | — | | | — | Unallocated overhead costs | | | 7,014 | | | 7,381 | | | 6,299 | Total depreciation and amortization of property and equipment and intangibles assets | | $ | 82,601 | | $ | 75,433 | | $ | 82,547 |
| | | | | | | | | | | | Year Ended December 31, | | | 2020 | | 2019 | | 2018 | Capital expenditures: | | | | | | | | | | Carrier services | | $ | 86,404 | | $ | 114,713 | | $ | 83,764 | Military | | | 9,934 | | | 7,339 | | | 7,852 | Multifamily | | | 1,990 | | | 1,242 | | | 84 | Legacy | | | 3,572 | | | 4,653 | | | 10,758 | Private networks and emerging technologies | | | 206 | | | 318 | | | — | Unallocated capital expenditures | | | 4,156 | | | 5,431 | | | 6,272 | Total capital expenditures | | $ | 106,262 | | $ | 133,696 | | $ | 108,730 |
Assets allocated to each reportable and operating segment include property and equipment, net, goodwill, and intangible assets, net that are specifically identifiable for one of our reportable and operating segments. Our reportable and operating segments also represent reporting units for goodwill impairment testing purposes. Unallocated assets are those assets not directly related to a specific reportable and operating segment. Assets allocated to each reportable and operating segment, which a reconciliation to the consolidated balance sheet, are as follows: | | | | | | | | | December 31, | | | 2020 | | 2019 | Assets: | | | | | | | Carrier services | | $ | 364,484 | | $ | 325,500 | Military | | | 66,968 | | | 73,981 | Multifamily | | | 12,713 | | | 13,772 | Legacy | | | 18,591 | | | 23,402 | Private networks and emerging technologies | | | 1,024 | | | 1,304 | Unallocated other corporate assets | | | 112,699 | | | 162,508 | Total assets | | $ | 576,479 | | $ | 600,467 |
All significant long-lived tangible assets are held in the United States of America. We do not disclose sales by geographic area because it would be impracticable to do so.
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| Schedule of effect of adoption of ASU 2020-06 on balance sheet |
Adoption of ASU 2020-06 using the modified retrospective method will require us to record a cumulative effect adjustment, net of tax, to accumulated deficit of $6,566 on January 1, 2021. In addition, adoption of the standard will result in the following changes to the consolidated balance sheet as of January 1, 2021: | | | | | | | | | | | | January 1, 2021 | | Adjustment for | | January 1, 2021 | | | (Unadjusted) | | Adoption | | (Adjusted) | Property and equipment, net | | $ | 406,328 | | $ | (6,076) | | $ | 400,252 | Long-term debt | | $ | 171,695 | | $ | 27,279 | | $ | 198,974 | Additional paid-in capital | | $ | 241,868 | | $ | (39,921) | | $ | 201,947 |
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