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BASIS OF PRESENTATION - Reclassifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Prior period corrections |  |  |
Purchases of spectrum licenses and other intangible assets, including deposits |  | $ 10,860 |
Payment for purchase of securities |  | 2,000 |
Loan commitment fees related to the Innovative Transaction |  | $ 900 |
Termination and Access Fees [Member] |  |  |
Prior period corrections |  |  |
Reclassification, decrease (increase) to expense | $ 100 |  | $ 200
Engineering and Operations Expenses [Member] |  |  |
Prior period corrections |  |  |
Reclassification, decrease (increase) to expense | 300 |  | 400
Selling and Marketing Expense [Member] |  |  |
Prior period corrections |  |  |
Reclassification, decrease (increase) to expense | (200) |  | (300)
General and administrative expense |  |  |
Prior period corrections |  |  |
Reclassification, decrease (increase) to expense | $ (200) |  | $ (300)

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- Definition Cash paid to purchase debt and equity securities, classified as operating activities, during the period; includes trading securities and any other investments classified as operating. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
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- Definition Reflects the cumulative amount of fees paid by borrowers, which relationship is not otherwise defined (such as commercial, consumer, or foreign), which have not yet been taken into income and unamortized costs incurred to originate loans and leases, not otherwise categorized (such as commercial, consumer, or foreign), unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans, not otherwise categorized (such as commercial, consumer, or foreign), that are being amortized into income as an adjustment to yield. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533 + Details
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