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FIXED ASSETS (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Fixed Assets |  |  |
Total plant in service | $ 826,950,000 | $ 775,016,000 |
Total property, plant, and equipment | 869,344,000 | 813,391,000 |
Less: Accumulated depreciation | (418,797,000) | (330,188,000) |
Net fixed assets | 450,547,000 | 483,203,000 |
Depreciation and amortization | 96,500,000 | 93,600,000 | 68,500,000
Capital expenditures offset by grants | 30,600,000 | 11,800,000 | 1,600,000
Minimum |  |  |
Fixed Assets |  |  |
Useful Life | 3 years |  |
Maximum |  |  |
Fixed Assets |  |  |
Useful Life | 39 years |  |
Telecommunications equipment and towers |  |  |
Fixed Assets |  |  |
Total plant in service | 697,340,000 | 666,969,000 |
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 |
Office and computer equipment |  |  |
Fixed Assets |  |  |
Total plant in service | 53,579,000 | 47,063,000 |
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 | 29,619,000 | 18,017,000 |
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 | 8,610,000 | 7,679,000 |
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 | 19,876,000 | 20,515,000 |
Land |  |  |
Fixed Assets |  |  |
Total plant in service | 6,836,000 | 6,653,000 |
Furniture and fixtures |  |  |
Fixed Assets |  |  |
Total plant in service | 11,090,000 | 8,120,000 |
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 | $ 42,394,000 | $ 38,375,000 |

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