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STOCK INCENTIVE PLAN (Schedule of Additional Information Regarding Options Outstanding) (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Options |
1,816,204us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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2,162,067us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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1,927,099us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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1,640,392us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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| Weighted Average Exercise Price |
$ 4.88us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
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$ 5.09us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
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$ 4.37us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
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$ 5.01us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
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| Exercisable Options |
663,417us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
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514,751us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
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707,024us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
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| Weighted Average Exercise Price |
$ 5.32us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
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$ 6.29us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
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$ 6.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
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| $ 0.36 - $ 3.00 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, Lower Limit |
$ 0.36us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceOneMember
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| Range of Exercise Prices, Upper Limit |
$ 3.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceOneMember
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| Options |
887,704us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceOneMember
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| Weighted Average Contractual Life Remaining (Years) |
5 years
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| Weighted Average Exercise Price |
$ 1.62us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceOneMember
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| Exercisable Options |
259,204us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceOneMember
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| Weighted Average Exercise Price |
$ 2.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceOneMember
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| $ 3.01 - $ 6.00 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, Lower Limit |
$ 3.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceTwoMember
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| Range of Exercise Prices, Upper Limit |
$ 6.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceTwoMember
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| Options |
156,625us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceTwoMember
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| Weighted Average Contractual Life Remaining (Years) |
2 years 10 months 24 days
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| Weighted Average Exercise Price |
$ 4.20us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceTwoMember
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| Exercisable Options |
145,775us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceTwoMember
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| Weighted Average Exercise Price |
$ 5.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceTwoMember
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| $ 6.01 - $ 9.00 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, Lower Limit |
$ 6.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceThreeMember
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| Range of Exercise Prices, Upper Limit |
$ 9.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceThreeMember
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| Options |
697,125us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceThreeMember
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| Weighted Average Contractual Life Remaining (Years) |
5 years 6 months
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| Weighted Average Exercise Price |
$ 4.90us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceThreeMember
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| Exercisable Options |
183,688us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceThreeMember
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| Weighted Average Exercise Price |
$ 6.93us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceThreeMember
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| $ 9.01 - $ 12.00 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, Lower Limit |
$ 9.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceFourMember
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| Range of Exercise Prices, Upper Limit |
$ 12.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceFourMember
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| Options |
45,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceFourMember
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| Weighted Average Contractual Life Remaining (Years) |
8 months 12 days
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| Weighted Average Exercise Price |
$ 8.63us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceFourMember
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| Exercisable Options |
45,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceFourMember
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| Weighted Average Exercise Price |
$ 11.80us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceFourMember
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| $ 12.01 - $ 15.00 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, Lower Limit |
$ 12.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePricesFiveMember
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| Range of Exercise Prices, Upper Limit |
$ 15.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePricesFiveMember
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| Options |
29,300us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePricesFiveMember
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| Weighted Average Contractual Life Remaining (Years) |
4 months 24 days
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| Weighted Average Exercise Price |
$ 8.75us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePricesFiveMember
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| Exercisable Options |
29,300us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePricesFiveMember
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| Weighted Average Exercise Price |
$ 13.88us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePricesFiveMember
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| $ 0.36 - $ 15.00 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, Lower Limit |
$ 0.36us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceElevenMember
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| Range of Exercise Prices, Upper Limit |
$ 15.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceElevenMember
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| Options |
1,816,204us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceElevenMember
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| Weighted Average Contractual Life Remaining (Years) |
4 years 9 months 18 days
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| Weighted Average Exercise Price |
$ 3.39us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceElevenMember
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| Exercisable Options |
663,417us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceElevenMember
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| Weighted Average Exercise Price |
$ 5.32us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= salm_RangeOfExercisePriceElevenMember
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