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Related Party Transactions - Additional Information (Detail) (USD $)
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1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 29, 2010
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Jun. 03, 2010
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Mar. 31, 2010
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Nov. 17, 2011
Subordinated Debt Due Related Parties
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Dec. 31, 2012
Subordinated Debt Due Related Parties
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Dec. 31, 2011
Subordinated Debt Due Related Parties
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Dec. 31, 2012
EdwardG. Atsinger III, Chief Executive Officer and Director
Aircraft
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Dec. 31, 2011
EdwardG. Atsinger III, Chief Executive Officer and Director
Aircraft
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Dec. 31, 2010
EdwardG. Atsinger III, Chief Executive Officer and Director
Aircraft
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Nov. 17, 2011
EdwardG. Atsinger III, Chief Executive Officer and Director
Subordinated Debt Due Related Parties
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Dec. 31, 2012
EdwardG. Atsinger III, Chief Executive Officer and Director
Trust
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Dec. 31, 2011
EdwardG. Atsinger III, Chief Executive Officer and Director
Trust
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Dec. 31, 2010
EdwardG. Atsinger III, Chief Executive Officer and Director
Trust
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Dec. 31, 2012
Chairman and Chief Executive Officer
Land and Building
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Dec. 31, 2011
Chairman and Chief Executive Officer
Land and Building
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Dec. 31, 2010
Chairman and Chief Executive Officer
Land and Building
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Nov. 17, 2011
Stuart W.Epperson, Board of Directors Chairman
Subordinated Debt Due Related Parties
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Sep. 12, 2012
Roland S. Hinz, a Salem board member
Subordinated Debt Due Related Parties
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May 21, 2012
Roland S. Hinz, a Salem board member
Subordinated Debt Due Related Parties
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Dec. 31, 2012
Truth For Life
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Dec. 31, 2011
Truth For Life
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Dec. 31, 2010
Truth For Life
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Dec. 31, 2012
Know the Truth
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Dec. 31, 2011
Know the Truth
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Dec. 31, 2010
Know the Truth
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| Related Party Transaction [Line Items] | ||||||||||||||||||||||||||||
| Rental Expenses | $ 15,700,000 | $ 14,900,000 | $ 15,400,000 | $ 386,000 | $ 402,000 | $ 209,000 | $ 165,000 | $ 160,000 | $ 156,000 | $ 1,300,000 | $ 1,300,000 | $ 1,300,000 | ||||||||||||||||
| Credit facility, borrowing capacity | 6,000,000 | 3,000,000 | 12,000,000 | 6,000,000 | ||||||||||||||||||||||||
| Debt, interest rate terms | Outstanding amounts under each subordinated line of credit will bear interest at a rate equal to the lesser of (1) 5% per annum and (2) the maximum rate permitted for subordinated debt under the Revolver referred to above plus 2% per annum. | Outstanding amounts under each Affiliate Line of Credit will bear interest at a rate equal to the lesser of (1) 5% per annum and (2) the maximum rate permitted for subordinated debt under the Revolver referred to above plus 2% per annum. Interest is payable at the time of any repayment of principal. In addition, outstanding amounts under each Affiliate Line of Credit must be repaid within three (3) months from the time that such amounts are borrowed, with the exception of the LOC with Mr. Hinz, which must be repaid within six (6) months from the time that such amounts are borrowed. | ||||||||||||||||||||||||||
| Line of Credit Facility, Amount Outstanding | 15,000,000 | 9,000,000 | ||||||||||||||||||||||||||
| Amount received from non-profit organization for airtime | 2,100,000 | 1,900,000 | 2,000,000 | 400,000 | 300,000 | 300,000 | ||||||||||||||||||||||
| Life insurance premium | 193,000 | 990,000 | 230,000 | |||||||||||||||||||||||||
| Net assets | 1,300,000 | 1,100,000 | 2,800,000 | |||||||||||||||||||||||||
| Purchase Price of residence | 700,000 | |||||||||||||||||||||||||||
| Property sold | 500,000 | |||||||||||||||||||||||||||
| Pre tax loss from sale of property | (200,000) | |||||||||||||||||||||||||||
| Loss associated with second lien real estate note | $ 200,000 | |||||||||||||||||||||||||||