XML 20 R47.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 10 - Subsequent Events (Details) (Subsequent Event [Member], WJRT Acquisition, Inc. and WTVG Acquisition, Inc. [Member], USD $) In Millions, unless otherwise specified | 1 Months Ended
--- | ---
Jul. 24, 2014
Subsequent Event [Member] | WJRT Acquisition, Inc. and WTVG Acquisition, Inc. [Member] |
Note 10 - Subsequent Events (Details) [Line Items] |
Payments to Acquire Businesses, Gross | $ 128.00

X
- Details
Name: | gtn_Note10SubsequentEventsDetailsLineItems
Namespace Prefix: | gtn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References 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 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration