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v3.19.3.a.u2

FIXED ASSETS (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) item | Dec. 31, 2017 USD ($)
Fixed Assets |  |  |
Total plant in service | $ 1,190,375 | $ 1,119,952 |
Total property, plant, and equipment | 1,237,555 | 1,188,916 |
Less: Accumulated depreciation | (631,974) | (562,064) |
Net fixed assets | 605,581 | 626,852 |
Depreciation and amortization | 86,900 | 83,000 | $ 83,300
Capital leased assets, cost | 25,900 |  |
Capital expenditure grants | 3,100 | 5,400 |
Capitalized implementation costs | 3,600 | $ 1,200 |
Amortization of implementation costs | $ 200 |  |
US Telecom |  |  |
Fixed Assets |  |  |
Number of cell sites sold | item |  | 100 |
Proceeds from sale of cell sites |  | $ 24,000 |
Book value of disposed cell sites |  | 8,800 |
Gain on sale of cell sites |  | 15,200 |
Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 3 years |  |
Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 39 years |  |
Telecommunications equipment and towers |  |  |
Fixed Assets |  |  |
Total plant in service | $ 979,028 | 914,275 |
Capital leased assets, cost |  | 27,700 |
Capital leased assets, cost | 25,900 |  |
Capital leased assets, net |  | $ 20,200 |
Capital leased assets, net | $ 16,500 |  |
Telecommunications equipment and towers | Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 5 years | 5 years |
Telecommunications equipment and towers | Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 15 years | 15 years |
Solar assets |  |  |
Fixed Assets |  |  |
Total plant in service | $ 40,043 | $ 38,692 |
Reclassification from construction in progress |  | $ 38,600 |
Solar assets | Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 20 years | 20 years |
Solar assets | Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 23 years | 23 years |
Office and computer equipment |  |  |
Fixed Assets |  |  |
Total plant in service | $ 82,630 | $ 77,085 |
Office and computer equipment | Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 3 years | 3 years |
Office and computer equipment | Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 10 years | 10 years |
Buildings |  |  |
Fixed Assets |  |  |
Total plant in service | $ 48,565 | $ 48,900 |
Buildings | Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 15 years | 15 years |
Buildings | Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 39 years | 39 years |
Transportation vehicles |  |  |
Fixed Assets |  |  |
Total plant in service | $ 13,424 | $ 15,039 |
Transportation vehicles | Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 3 years | 3 years |
Transportation vehicles | Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 10 years | 10 years |
Leasehold improvements |  |  |
Fixed Assets |  |  |
Total plant in service | $ 2,316 | $ 2,033 |
Land |  |  |
Fixed Assets |  |  |
Total plant in service | 15,503 | 14,728 |
Furniture and fixtures |  |  |
Fixed Assets |  |  |
Total plant in service | $ 8,866 | $ 9,200 |
Furniture and fixtures | Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 5 years | 5 years |
Furniture and fixtures | Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 10 years | 10 years |
Construction in progress |  |  |
Fixed Assets |  |  |
Total property, plant, and equipment | $ 47,180 | $ 68,964 |

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