|
Stock-Based Compensation (Outstanding Awards) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2009
|
Dec. 31, 2013
|
Dec. 31, 2013
Ventures Group [Member]
|
Dec. 31, 2012
Ventures Group [Member]
|
Dec. 31, 2012
Ventures Group [Member]
Series A [Member]
|
Mar. 31, 2012
Ventures Group [Member]
Series A [Member]
|
Dec. 31, 2013
Ventures Group [Member]
Series A [Member]
|
Dec. 31, 2013
Ventures Group [Member]
Class B [Member]
|
Dec. 31, 2012
Ventures Group [Member]
Class B [Member]
|
Dec. 31, 2013
Ventures Group [Member]
Common Class B [Member]
|
Dec. 31, 2013
Interactive Group [Member]
|
Dec. 31, 2012
Interactive Group [Member]
Series A [Member]
|
Dec. 31, 2013
Interactive Group [Member]
Series A [Member]
|
Dec. 31, 2012
Interactive Group [Member]
Series A [Member]
|
Dec. 31, 2011
Interactive Group [Member]
Series A [Member]
|
Dec. 31, 2013
Interactive Group [Member]
Class B [Member]
|
Dec. 31, 2012
Interactive Group [Member]
Class B [Member]
|
Dec. 31, 2013
Interactive Group [Member]
Common Class B [Member]
|
Dec. 31, 2013
Interactive Group [Member]
Series A [Member]
|
Dec. 31, 2012
Interactive Group [Member]
Series A [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ 13.36 | $ 17.09 | ||||||||||||||||||
| Outstanding options | 1,155,000 | 966,000 | 22,000 | 22,000 | 30,607,000 | 432,000 | 432,000 | 30,607,000 | 33,839,000 | |||||||||||
| Outstanding WAEP | $ 40.18 | $ 57.42 | $ 56.26 | $ 46.69 | $ 46.69 | $ 17.92 | $ 17.92 | $ 17.98 | $ 16.92 | |||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | 7,000 | 900,000 | 0 | 7,000 | 0 | 20,100,000 | 4,300,000 | 3,400,000 | 6,200,000 | 0 | 4,296,000 | |||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ 116.03 | $ 0.00 | $ 0.00 | $ 21.25 | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | (195,000) | 0 | (6,933,000) | 0 | (6,933,000) | |||||||||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ 52.81 | $ 0.00 | $ 0.00 | $ 15.05 | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | (1,000) | 0 | (595,000) | 0 | (595,000) | |||||||||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price | $ 45.28 | $ 0.00 | $ 0.00 | $ 15.28 | ||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term | 10 years | 5 years | 1 year 4 months 24 days | 5 years | 1 year 4 months 24 days | 5 years | ||||||||||||||
| Aggregate intrinsic value | $ 62,981 | $ 1,631 | $ 348,277 | $ 4,955 | ||||||||||||||||
| Exercisable options | 492,000 | 22,000 | 14,056,000 | 432,000 | 14,056,000 | |||||||||||||||
| Exercisable WAEP | $ 30.11 | $ 55.47 | $ 46.69 | $ 17.92 | $ 16.47 | |||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 4 years 7 months 6 days | 1 year 4 months 24 days | 4 years 4 months 24 days | 1 year 4 months 24 days | 4 years 4 months 24 days | |||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | $ 186,000 | $ 33,042 | $ 1,631 | $ 181,315 | $ 4,955 | |||||||||||||||