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Deferred Revenue-Right-to-use contracts and Deferred commission expense (Tables) | 9 Months Ended
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Sep. 30, 2016
Deferred Revenue Disclosure [Abstract] |
Deferred Revenue, by Arrangement, Disclosure | As of September 30, 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):
| Nine Months Ended September 30,
| 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 | 9,290 |  |  | 10,264 |
Revenue recognized from right-to-use contract upfront payments | (6,863 | ) |  | (6,335 | )
Right-to-use contract upfront payments, deferred, net | 2,427 |  |  | 3,929 |
Deferred revenue–upfront payments from right-to-use contracts, as of September 30, | $ | 80,832 |  |  | $ | 78,103 |
Deferred commission expense, as of January 1, | $ | 30,865 |  |  | $ | 28,589 |
Deferred commission expense | 3,641 |  |  | 4,821 |
Commission expense recognized | (3,071 | ) |  | (2,629 | )
Net increase in deferred commission expense | 570 |  |  | 2,192 |
Deferred commission expense, as of September 30, | $ | 31,435 |  |  | $ | 30,781 |

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- Definition Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765 + Details
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