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Notes Payable And Long-Term Debt - Additional Information (Detail) (USD $)
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12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||||
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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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Feb. 25, 2013
Subsequent Event
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Nov. 15, 2011
Revolver under senior credit facility
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Nov. 15, 2010
Revolver under senior credit facility
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Dec. 31, 2012
Revolver under senior credit facility
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Dec. 31, 2011
Revolver under senior credit facility
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Nov. 01, 2010
Revolver under senior credit facility
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Dec. 01, 2009
Revolver under senior credit facility
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Dec. 31, 2014
Revolver under senior credit facility
Subsequent Event
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Dec. 31, 2012
Revolver under senior credit facility
Standby letters of credit
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Dec. 31, 2012
Revolver under senior credit facility
Swingline Credit Facility
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Dec. 31, 2012
Revolver under senior credit facility
Covenant requirement
Maximum
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Dec. 31, 2012
Revolver under senior credit facility
Covenant requirement
Minimum
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Dec. 12, 2012
9 5/8% Senior Secured Second Lien Notes
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Jun. 01, 2012
9 5/8% Senior Secured Second Lien Notes
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Dec. 12, 2011
9 5/8% Senior Secured Second Lien Notes
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Sep. 06, 2011
9 5/8% Senior Secured Second Lien Notes
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Jun. 01, 2011
9 5/8% Senior Secured Second Lien Notes
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Dec. 01, 2010
9 5/8% Senior Secured Second Lien Notes
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Jun. 01, 2010
9 5/8% Senior Secured Second Lien Notes
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Dec. 31, 2009
9 5/8% Senior Secured Second Lien Notes
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Dec. 31, 2012
9 5/8% Senior Secured Second Lien Notes
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Dec. 31, 2011
9 5/8% Senior Secured Second Lien Notes
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Dec. 11, 2011
9 5/8% Senior Secured Second Lien Notes
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Dec. 01, 2009
9 5/8% Senior Secured Second Lien Notes
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Dec. 15, 2013
9 5/8% Senior Secured Second Lien Notes
Subsequent Event
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Dec. 12, 2013
9 5/8% Senior Secured Second Lien Notes
Subsequent Event
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Jun. 01, 2013
9 5/8% Senior Secured Second Lien Notes
Subsequent Event
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Feb. 25, 2013
9 5/8% Senior Secured Second Lien Notes
Subsequent Event
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Sep. 15, 2012
Subordinated debt
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May 21, 2012
Subordinated debt
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Dec. 31, 2012
Subordinated debt
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Dec. 31, 2012
Subordinated debt
Minimum
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Dec. 31, 2012
Subordinated debt
Through December 31, 2012
Maximum
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Dec. 31, 2012
Subordinated debt
January 1, 2013 through December 31, 2013
Maximum
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Dec. 31, 2012
Subordinated debt
January 1, 2014 through maturity
Maximum
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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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Nov. 17, 2011
Subordinated Debt Due Related Parties
Stuart W.Epperson, Board of Directors Chairman
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Nov. 17, 2011
Subordinated Debt Due Related Parties
EdwardG. Atsinger III, Chief Executive Officer and Director
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Sep. 12, 2012
Subordinated Debt Due Related Parties
Roland S. Hinz, a Salem board member
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May 21, 2012
Subordinated Debt Due Related Parties
Roland S. Hinz, a Salem board member
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| Debt Instrument [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, borrowing capacity | $ 40,000,000 | $ 30,000,000 | $ 5,000,000 | $ 5,000,000 | $ 3,000,000 | $ 6,000,000 | $ 12,000,000 | $ 6,000,000 | |||||||||||||||||||||||||||||||||||||
| Leverage ratio | 4.87 | 5.0 | 5.50 | 6.25 | 4.87 | 6.25 | 6.00 | 5.50 | |||||||||||||||||||||||||||||||||||||
| Revolving credit facility, second amendment description | On November 15, 2011, we completed the Second Amendment of our Revolver to among other things, (1) extend the maturity date from December 1, 2012 to December 1, 2014, (2) change the interest rate applicable to LIBOR or the Wells Fargo base rate plus a spread to be determined based on our leverage ratio, (3) allow us to borrow and repay unsecured indebtedness provided certain conditions are met and (4) include step-downs related to our leverage ratio covenant. | ||||||||||||||||||||||||||||||||||||||||||||
| Revolving credit facility extend maturity date | 2014-12-01 | 2014-12-01 | |||||||||||||||||||||||||||||||||||||||||||
| Debt, amendment fees | 500,000 | 500,000 | |||||||||||||||||||||||||||||||||||||||||||
| Debt, interest rate over LIBOR | 3.00% | 3.00% | |||||||||||||||||||||||||||||||||||||||||||
| Debt, interest rate above base rate | 1.25% | 1.25% | |||||||||||||||||||||||||||||||||||||||||||
| Debt, increase in interest rate if default occurs | 2.00% | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, interest rate | 3.32% | 9.625% | 9.625% | 5.00% | |||||||||||||||||||||||||||||||||||||||||
| Revolving credit facility, covenant description | With respect to financial covenants, the credit agreement includes a maximum leverage ratio of 6.25 to 1.0 and a minimum interest coverage ratio of 1.5 to 1. The maximum leverage ratio declines over time until December 31, 2014, at which point it is 5.50 to 1. The credit agreement also includes other negative covenants that are customary for credit facilities of this type, including covenants that, subject to exceptions described in the Credit Agreement, restrict the ability of Salem and the guarantors | With respect to financial covenants, the FCB Loan includes a maximum leverage ratio of 6.25 to 1.0 through December 31, 2012, 6.00 to 1.0 from January 1, 2013 through December 31, 2013, and 5.50 to 1.0 from January 1, 2014 through maturity; and a minimum interest coverage ratio of 1.5 to 1. The FCB Loan also includes other customary negative covenants that restrict the ability of Salem and the guarantors | |||||||||||||||||||||||||||||||||||||||||||
| Interest coverage ratio | 2.23 | 1.5 | 2.23 | 1.5 | |||||||||||||||||||||||||||||||||||||||||
| Debt, issuance of principal amount | 300,000,000 | 300,000,000 | |||||||||||||||||||||||||||||||||||||||||||
| Debt, issued at discount | 298,100,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, effective yield | 9.75% | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, interest payment terms | Interest is due and payable on June 15 and December 15 of each year, commencing June 15, 2010 until maturity. | ||||||||||||||||||||||||||||||||||||||||||||
| Debt maturity period | 2016-12 | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, annual interest payment | 28,900,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, accrued interest | 1,110,000 | 1,127,000 | 900,000 | 1,000,000 | |||||||||||||||||||||||||||||||||||||||||
| Interest expense | 200,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Principal repurchased or redeemed | 4,000,000 | 17,500,000 | 12,500,000 | 5,000,000 | 17,500,000 | 12,500,000 | 17,500,000 | 12,500,000 | 30,000,000 | 4,000,000 | 26,000,000 | ||||||||||||||||||||||||||||||||||
| Debt, purchase price | 4,100,000 | 18,000,000 | 12,900,000 | 5,100,000 | 18,000,000 | 12,900,000 | 18,000,000 | ||||||||||||||||||||||||||||||||||||||
| Percent of debt purchase price | 100.00% | 103.00% | 103.00% | 103.00% | 102.875% | 103.00% | 103.00% | 103.00% | 103.00% | 10.00% | 10.00% | ||||||||||||||||||||||||||||||||||
| Gain (loss) on early retirement of long-term debt | (1,088,000) | (2,169,000) | (1,832,000) | (200,000) | (900,000) | (800,000) | (300,000) | (1,100,000) | (800,000) | (1,100,000) | |||||||||||||||||||||||||||||||||||
| Unamortized Discount | 17,000 | 80,000 | 62,000 | 26,000 | 93,000 | 70,000 | 105,000 | 62,000 | |||||||||||||||||||||||||||||||||||||
| Bond issue cost | 57,000 | 287,000 | 337,000 | 135,000 | 472,000 | 334,000 | 417,000 | 337,000 | |||||||||||||||||||||||||||||||||||||
| Long-term debt | 268,980,000 | 274,803,000 | 33,000,000 | 31,000,000 | 212,622,000 | 233,846,000 | 7,500,000 | 15,000,000 | 9,000,000 | ||||||||||||||||||||||||||||||||||||
| Credit facility, principal amount | 10,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, maturity date | Jun. 15, 2014 | Jun. 15, 2014 | |||||||||||||||||||||||||||||||||||||||||||
| Credit facility, interest at a floating rate | 4.25% | ||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, floating rate, interest above prime rate | 1.25% | 1.00% | 2.00% | ||||||||||||||||||||||||||||||||||||||||||
| Debt, interest rate terms | The interest rate for the FCB Loan ("Interest Rate") is variable and shall be equal to the greater of (a) 4.250% or (b) the Wall Street Journal Prime Rate as published in The Wall Street Journal and reported by FCB plus 1%. | 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. | ||||||||||||||||||||||||||||||||||||||||||
| Credit facility, term | 23 months | ||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, interest charge | 50 | ||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, quarterly consecutive principal payments | 1,250,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, increased interest rate | 5.00% | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, accrued interest | 23,906 | ||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, outstanding amount | 33,000,000 | 15,000,000 | 9,000,000 | ||||||||||||||||||||||||||||||||||||||||||
| Debt, interest rate above LIBOR | 3.00% | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, outstanding borrowing | $ 213,500,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Debt, interest payment frequency | Semi-annual | ||||||||||||||||||||||||||||||||||||||||||||
| Credit facility, commitment fee on unused balance | 0.60% | ||||||||||||||||||||||||||||||||||||||||||||