XML 22 R46.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Long-Term Debt (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | May 31, 2013
Debt Instrument [Line Items] |  |  |
Credit Facility maximum borrowing capacity | $ 120 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity |  |
Credit facility matures | May 31, 2018 |  |
Excluded Distributions Under Credit Facility | 20 sga_ExcludedDistributionsUnderCreditFacility |  |
Additional Business Acquisitions Cost | 35 sga_AdditionalBusinessAcquisitionsCost |  |
Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Consolidated Leverage Ratio | 2.50%sga_ConsolidatedLeverageRatio / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Line of Credit Facility, Commitment Fee Percentage | 0.35%us-gaap_LineOfCreditFacilityCommitmentFeePercentage / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Maximum [Member] | Base Rate [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |  |
Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Consolidated Leverage Ratio | 1.00%sga_ConsolidatedLeverageRatio / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Line of Credit Facility, Commitment Fee Percentage | 0.25%us-gaap_LineOfCreditFacilityCommitmentFeePercentage / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Minimum [Member] | Base Rate [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |  |
Libor Rate [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 0.16925%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_DebtInstrumentAxis = sga_LiborRateMember | 0.169%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_DebtInstrumentAxis = sga_LiborRateMember |
Libor Rate [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = sga_LiborRateMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Libor Rate [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = sga_LiborRateMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Term loan [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit Facility maximum borrowing capacity | 30 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = sga_TermLoanMember |  | 30 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = sga_TermLoanMember
Term loan principal amortization rate | 5.00%sga_TermLoanPrincipalAmortizationRate / us-gaap_LongtermDebtTypeAxis = sga_TermLoanMember |  |
Revolving credit facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit Facility maximum borrowing capacity | 90 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |
Unused borrowing capacity under the revolving credit Facility | $ 85 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember |  |

X
- Definition Additional business acquisition cost capped at $35 million subject to certain conditions as defined by the Credit Facility. + References No definition available. + Details
Name: | sga_AdditionalBusinessAcquisitionsCost
Namespace Prefix: | sga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Consolidated leverage ratio as defined by the Credit Facility. + References No definition available. + Details
Name: | sga_ConsolidatedLeverageRatio
Namespace Prefix: | sga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Excluded distributions under Credit Facility. + References No definition available. + Details
Name: | sga_ExcludedDistributionsUnderCreditFacility
Namespace Prefix: | sga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Term loan principal amortization rate. + References No definition available. + Details
Name: | sga_TermLoanPrincipalAmortizationRate
Namespace Prefix: | sga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of long-term debt outstanding. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sga_LiborRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=sga_TermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |