XML 63 R18.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Concentration Of Credit Risk | 9 Months Ended
--- | ---
Sep. 30, 2014
Concentration Of Credit Risk [Abstract] |
Concentration of Credit Risk | 9.CONCENTRATION OF CREDIT RISK The Company’s credit risks consist primarily of accounts receivable with national, regional, and local wireless service providers and federal and state government agencies. The Company performs periodic credit evaluations of its customers’ financial condition and provides allowances for doubtful accounts, as required, based upon factors surrounding the credit risk of specific customers, historical trends, and other information. The Company generally does not require collateral on its lease agreements or site development contracts. The following is a list of significant customers (representing at least 10% of segment revenues for the periods reported) and the percentage of total segment revenues for the specified time periods derived from such customers.
|  | For the three months |  | For the nine months
|  | ended September 30, |  | ended September 30,
|  | 2014 |  | 2013 |  | 2014 |  | 2013
Percentage of Domestic Site Leasing Revenue |  |  |  |  |  |  |  |
AT&T Wireless (1) |  | 31.1% |  | 27.2% |  | 29.7% |  | 25.8%
Sprint (2) |  | 25.1% |  | 30.8% |  | 26.2% |  | 30.4%
T-Mobile (3) |  | 19.1% |  | 18.1% |  | 19.4% |  | 17.9%
Verizon Wireless |  | 14.2% |  | 13.7% |  | 14.0% |  | 13.1%
|  | For the three months |  | For the nine months
|  | ended September 30, |  | ended September 30,
|  | 2014 |  | 2013 |  | 2014 |  | 2013
Percentage of International Site Leasing Revenue |  |  |  |  |  |  |  |
Oi |  | 46.2% |  | 1.3% |  | 43.1% |  | 1.2%
Telefonica |  | 27.2% |  | 49.3% |  | 30.2% |  | 52.0%
Digicel |  | 4.5% |  | 11.8% |  | 5.0% |  | 12.0%
|  | For the three months |  | For the nine months
|  | ended September 30, |  | ended September 30,
|  | 2014 |  | 2013 |  | 2014 |  | 2013
Percentage of Site Development Revenue |  |  |  |  |  |  |  |
Sprint (2) |  | 46.1% |  | 1.8% |  | 32.2% |  | 0.9%
Ericsson, Inc. |  | 16.1% |  | 32.2% |  | 17.2% |  | 38.1%
Verizon Wireless |  | 10.0% |  | 4.9% |  | 9.8% |  | 4.3%
T-Mobile (3) |  | 7.4% |  | 10.5% |  | 8.9% |  | 7.9%
Alcatel-Lucent |  | 0.7% |  | 8.1% |  | 2.5% |  | 10.1%
(1)Prior year amounts have been adjusted to reflect the merger of AT&T Wireless and Cricket. (2)Prior year amounts have been adjusted to reflect the merger of Sprint and Clearwire. (3)P rior year amounts have been adjusted to reflect the merger of T-Mobile and Metro PCS. Five significant customers comprised 54.2% and 51.5% of total gross accounts receivable at September 30, 2014 and December 31, 2013, respectively.

X
- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 + Details
Name: | us-gaap_ConcentrationRiskDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration