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Leases Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) hub | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) hub | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) | Mar. 31, 2018 hub
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Operating lease expense | $ 1,267 |  | $ 2,532 |  |  |
Finance lease, gross cost | 102,245 |  | 102,245 |  | $ 96,383 |
Finance lease, accumulated depreciation | 49,744 |  | 49,744 |  | $ 45,750 |
Capital assets, depreciation expense | $ 109 |  | $ 219 |  |  |
Capital assets, depreciation expense |  | $ 110 |  | $ 188 |  |
Satellite HUBS For HTS Network |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Finance lease term | 5 years |  | 5 years |  |  | 5 years
Number of satellite hubs leased | hub | 3 |  | 3 |  |  | 3
Assets Held Under Finance Leases |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |
Finance lease, gross cost | $ 3,068 |  | $ 3,068 |  |  |
Finance lease, accumulated depreciation | $ 626 |  | $ 626 |  |  |
Leased assets, useful life |  |  | 7 years |  |  |

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