|
Commitments (Narratives) (Details) (USD $)
|
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Dec. 31, 2011
|
|
| Revenues | $ 176,104,000 | $ 168,089,000 | $ 348,011,000 | $ 332,866,000 | |
| US Treasury Department Contribution | 1,600,000 | ||||
|
Lifeline Program Support [Member]
|
|||||
| Revenues | $ 3,900,000 | $ 8,000,000 | |||
| X | ||||||||||
|
- Definition
The amount of cash paid to settle a matter with the Federal Communication Commission and the Department of Justice. No definition available.
|
| X | ||||||||||
|
- Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|