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Deferred Revenue-Right-to-use contracts and Deferred Commission Expense | 12 Months Ended
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Dec. 31, 2016
Deferred Revenue Disclosure [Abstract] |
Deferred Revenue-Right-to-use contracts and Deferred Commission Expense | Deferred Revenue-entry of right-to-use contracts and Deferred Commission Expense As of December 31, 2016 and 2015, the components of the change in deferred revenue-entry of right-to-use contracts and deferred commission expense are as follows (amounts in thousands):
|  | December 31,
|  | 2016 |  | 2015
Deferred revenue—upfront payments from right-to-use contracts, as of January 1, |  | $ | 78,405 |  |  | $ | 74,174 |
Right-to-use contracts current period, gross |  | 12,327 |  |  | 12,783 |
Revenue recognized from right-to-use contract upfront payments |  | (9,248 | ) |  | (8,552 | )
Right-to-use contract upfront payments, deferred, net |  | 3,079 |  |  | 4,231 |
Deferred revenue—upfront payments from right-to-use contracts, as of December 31, |  | $ | 81,484 |  |  | $ | 78,405 |
Deferred commission expense, as of January 1, |  | $ | 30,865 |  |  | $ | 28,589 |
Deferred commission expense |  | 4,659 |  |  | 5,871 |
Commission expense recognized |  | (4,149 | ) |  | (3,595 | )
Net increase in deferred commission expense |  | 510 |  |  | 2,276 |
Deferred commission expense, as of December 31, |  | $ | 31,375 |  |  | $ | 30,865 |

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- Definition Deferral of upfront payments and commission expense related to right-to-use contracts. + References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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