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Deferred Revenue-Right-to-use contracts and Deferred commission expense | 3 Months Ended
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Mar. 31, 2016
Deferred Revenue Disclosure [Abstract] |
Deferred Revenue - Entry Of Right To Use Contracts and Deferred Commission Expense | Deferred Revenue-entry of right-to-use contracts and Deferred Commission Expense As of March 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):
| Quarters ended March 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 | 2,532 |  |  | 2,797 |
Revenue recognized from right-to-use contract upfront payments | (2,230 | ) |  | (2,024 | )
Right-to-use contract upfront payments, deferred, net | 302 |  |  | 773 |
Deferred revenue–upfront payments from right-to-use contracts, as of March 31, | $ | 78,707 |  |  | $ | 74,947 |
Deferred commission expense, as of January 1, | $ | 30,865 |  |  | $ | 28,589 |
Deferred commission expense | 895 |  |  | 1,142 |
Commission expense recognized | (1,002 | ) |  | (829 | )
Net (decrease) increase in deferred commission expense | (107 | ) |  | 313 |
Deferred commission expense, as of March 31, | $ | 30,758 |  |  | $ | 28,902 |

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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_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration