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Non-cash Financing and Investing Activities - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Supplemental Disclosure Of Non Cash Investing And Financing Information [Line Items] |  |  |
Non-cash acquisition of outdoor advertising assets | $ 4,982 | $ 23,941 |
Non-cash investing activity |  |  | 4,000
Payments for deposits |  |  | 1,900
Total purchase price |  |  | 11,539
LAMAR MEDIA CORP [Member] |  |  |
Supplemental Disclosure Of Non Cash Investing And Financing Information [Line Items] |  |  |
Non-cash acquisition of outdoor advertising assets | 4,982 | 23,941 |
Non-cash investing activity | 0 | 0 | 4,000
Payments for deposits |  |  | 1,900
Total purchase price |  |  | $ 11,539

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- Definition The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The amount of cash paid for deposits on goods and services during the period; excludes time deposits and deposits with other institutions, which pertain to financial service entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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