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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of finite-lived intangible assets, useful life | Finite-lived intangible assets and liabilities are being amortized over the following estimated useful lives that were established on the dates acquired:
|  | Estimated Useful Life
Affiliate contract expansion |  | 4 - 14 years
Favorable and unfavorable leases - wireless |  | 1 - 28 years
Acquired subscribers - cable |  | 3 - 10 years
Other intangibles |  | 15 - 20 years
The Company recorded the following in the wireless segment:
($ in thousands) |  | Estimated Useful Life (in years) |  | February 1, 2018
Affiliate contract expansion |  | 12 |  | $ | 45,148 |
Prepayment of tangible assets |  | N/A |  | 6,497 |
Off-market leases - favorable |  | 16.5 |  | 3,665 |
Off-market leases - unfavorable |  | 4.2 |  | (3,310 | )
Total |  |  |  | $ | 52,000 |
Intangible assets consisted of the following:
| December 31, 2018 |  | December 31, 2017
(in thousands) | Gross Carrying Amount |  | Accumulated Amortization and Other |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization and Other |  | Net
Non-amortizing intangibles: |  |  |  |  |  |  |  |  |  |  |
Cable franchise rights | $ | 64,334 |  |  | $ | — |  |  | $ | 64,334 |  |  | $ | 64,334 |  |  | $ | — |  |  | $ | 64,334 |
Railroad crossing rights | 141 |  |  | — |  |  | 141 |  |  | 141 |  |  | — |  |  | 141 |
Total non-amortizing intangibles | 64,475 |  |  | — |  |  | 64,475 |  |  | 64,475 |  |  | — |  |  | 64,475 |
Finite-lived intangibles: |  |  |  |  |  |  |  |  |  |  |
Affiliate contract expansion - Wireless | 455,305 |  |  | (167,830 | ) |  | 287,475 |  |  | 410,157 |  |  | (105,964 | ) |  | 304,193 |
Favorable leases - Wireless | 15,743 |  |  | (1,919 | ) |  | 13,824 |  |  | 13,103 |  |  | (1,222 | ) |  | 11,881 |
Acquired subscribers - Cable | 25,265 |  |  | (25,250 | ) |  | 15 |  |  | 25,265 |  |  | (25,100 | ) |  | 165 |
Other intangibles | 463 |  |  | (223 | ) |  | 240 |  |  | 463 |  |  | (198 | ) |  | 265 |
Total finite-lived intangibles | 496,776 |  |  | (195,222 | ) |  | 301,554 |  |  | 448,988 |  |  | (132,484 | ) |  | 316,504 |
Total intangible assets | $ | 561,251 |  |  | $ | (195,222 | ) |  | $ | 366,029 |  |  | $ | 513,463 |  |  | $ | (132,484 | ) |  | $ | 380,979 |
Schedule of stock compensation expense | Pre-tax share and stock-based compensation charges from our incentive plans included in net income (loss) were as follows:
(in thousands) | 2018 | 2017 | 2016
Stock compensation expense | $ | 5,367 |  | $ | 4,184 |  | $ | 3,506 |
Capitalized stock compensation | 408 |  | 604 |  | 485 |
Stock compensation expense, net | 4,959 |  | 3,580 |  | 3,021 |
Excess tax benefits, net of deficiencies | $ | 1,523 |  | $ | 3,314 |  | $ | 1,709 |

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