Investments (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	0 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jan. 16, 2014 Touch Media
Schedule of Cost-method Investments [Line Items]
Payments to Acquire Investments	$ 4,000	$ 0	$ 4,000
Ownership interest			3.00%

The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration