Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net loss	$ (6,070)	$ (22,816)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	73,901	72,373
Non-cash equity based compensation	10,773	2,612
Amortization included in interest expense	2,906	4,497
Gain on disposition of assets and investments	(606)	(936)
Loss on extinguishment of debt		29,972
Deferred tax benefit	(5,086)	(21,664)
Provision for doubtful accounts	1,277	963
(Increase) decrease in:
Receivables	1,961	1,412
Prepaid expenses	(20,230)	(18,886)
Other assets	(2,322)	(6,759)
Increase (decrease) in:
Trade accounts payable	1,714	(503)
Accrued expenses	9,267	(5,664)
Other liabilities	(15,764)	2,101
Net cash provided by operating activities	51,721	36,702
Cash flows from investing activities:
Acquisitions	(5,337)	(6,083)
Capital expenditures	(25,788)	(19,747)
Proceeds from disposition of assets and investments	1,739	1,750
Payments received on notes receivable	31	40
Net cash used in investing activities	(29,355)	(24,040)
Cash flows from financing activities:
Cash used for purchase of treasury stock	(4,200)	(869)
Net proceeds from issuance of common stock	7,036	2,596
Principal payments on long term debt	(8,147)	(22)
Payment on senior subordinated notes		(598,181)
Proceeds received from note offering		500,000
Proceeds received from senior credit facility term loan		100,000
Debt issuance costs	(49)	(14,028)
Dividends	(91)	(91)
Net cash provided by (used in) financing activities	(5,451)	(10,595)
Effect of exchange rate changes in cash and cash equivalents	(352)	295
Net increase in cash and cash equivalents	16,563	2,362
Cash and cash equivalents at beginning of period	58,911	33,503
Cash and cash equivalents at end of period	75,474	35,865
Supplemental disclosures of cash flow information:
Cash paid for interest	17,936	33,374
Cash paid for foreign, state and federal income taxes	441	1,125
LAMAR MEDIA CORP [Member]
Cash flows from operating activities:
Net loss	(6,019)	(22,825)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	73,901	72,373
Non-cash equity based compensation	10,773	2,612
Amortization included in interest expense	2,906	4,497
Gain on disposition of assets and investments	(606)	(936)
Loss on extinguishment of debt		29,972
Deferred tax benefit	(5,044)	(21,563)
Provision for doubtful accounts	1,277	963
(Increase) decrease in:
Receivables	1,961	1,412
Prepaid expenses	(20,230)	(18,886)
Other assets	(2,322)	(6,759)
Increase (decrease) in:
Trade accounts payable	1,714	(503)
Accrued expenses	9,267	(5,664)
Other liabilities	(25,848)	(976)
Net cash provided by operating activities	41,730	33,717
Cash flows from investing activities:
Acquisitions	(5,337)	(6,083)
Capital expenditures	(25,788)	(19,747)
Proceeds from disposition of assets and investments	1,739	1,750
Payments received on notes receivable	31	40
Net cash used in investing activities	(29,355)	(24,040)
Cash flows from financing activities:
Principal payments on long term debt	(8,147)	(22)
Payment on senior subordinated notes		(598,181)
Proceeds received from note offering		500,000
Proceeds received from senior credit facility term loan		100,000
Debt issuance costs	(49)	(14,028)
Dividend to parent	(4,200)	(960)
Contributions from parent	16,936	5,207
Net cash provided by (used in) financing activities	4,540	(7,984)
Effect of exchange rate changes in cash and cash equivalents	(352)	295
Net increase in cash and cash equivalents	16,563	1,988
Cash and cash equivalents at beginning of period	58,411	33,377
Cash and cash equivalents at end of period	74,974	35,365
Supplemental disclosures of cash flow information:
Cash paid for interest	17,936	33,374
Cash paid for foreign, state and federal income taxes	$ 441	$ 1,125