|
Stockholders' Equity (Narrative) (Details)
|
Sep. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
|
Interactive Group [Member] | Series A [Member]
|
Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 33,647,000 | Ìý |
|
Interactive Group [Member] | Common Class A [Member]
|
Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 33,647,000 | 33,839,000 |
| Common Stock, Shares Authorized | 4,000,000,000 | 4,000,000,000 |
|
Interactive Group [Member] | Common Class B [Member]
|
Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 432,000 | 432,000 |
| Common Stock, Shares Authorized | 150,000,000 | 150,000,000 |
|
Interactive Group [Member] | ERROR in label resolution.
|
Ìý | Ìý |
| Common Stock, Shares Authorized | 4,000,000,000 | Ìý |
|
Ventures Group [Member] | Series A [Member]
|
Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 1,056,000 | Ìý |
|
Ventures Group [Member] | Common Class A [Member]
|
Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 1,056,000 | 1,155,000 |
| Common Stock, Shares Authorized | 200,000,000 | 200,000,000 |
|
Ventures Group [Member] | Common Class B [Member]
|
Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 22,000 | 22,000 |
| Common Stock, Shares Authorized | 7,500,000 | 200,000,000 |
|
Ventures Group [Member] | ERROR in label resolution.
|
Ìý | Ìý |
| Common Stock, Shares Authorized | 200,000,000 | Ìý |