Goodwill and Intangible Assets (Details2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Amount Recorded	$ 65,102
Amortization Expense	267
Patent Portfolio Net	64,835
7/24/13 - Rockstar Patent Portfolio
Amount Recorded	4,000
Weighted Average Life (in years)	8 years 6 months
Amortization Expense	208
Patent Portfolio Net	3,792
9/10/13 - North South patent portfolio
Amount Recorded	1,102
Weighted Average Life (in years)	8 years 6 months
Amortization Expense	40
Patent Portfolio Net	1,062
12/31/13 - Rockstar Patent Portfolio
Amount Recorded	60,000
Weighted Average Life (in years)	6 years 6 months
Amortization Expense	19
Patent Portfolio Net	$ 59,981