Agreement effective date.

No definition available.

Name:	sbsaa_AgreementEffectiveDate
Namespace Prefix:	sbsaa_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument interest payment due date.

+ References

No definition available.

+ Details

Name:	sbsaa_DebtInstrumentInterestPaymentDueDate
Namespace Prefix:	sbsaa_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument outstanding amount

+ References

No definition available.

+ Details

Name:	sbsaa_DebtInstrumentOutstandingAmount
Namespace Prefix:	sbsaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of outstanding principal senior notes holders agreed to forbear from exercising rights.

+ References

No definition available.

+ Details

Name:	sbsaa_PercentageOfOutstandingPrincipalSeniorNotesHoldersAgreedToForbearFromExercisingRights
Namespace Prefix:	sbsaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of principal amount agreed to pay as consent fee.

+ References

No definition available.

+ Details

Name:	sbsaa_PercentageOfPrincipalAmountAgreedToPayAsConsentFee
Namespace Prefix:	sbsaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ 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 210.5-02.22(a)(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentPaymentTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to interest.

+ References

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPaymentInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=sbsaa_TwelvePointFivePercentageSeniorSecuredNotesDueTwoThousandSeventeenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=sbsaa_ForbearanceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Subsequent Events - Forbearance Agreement - Additional Information (Details) - 12.5% Senior Secured Notes Due 2017 - USD ($) $ in Thousands			3 Months Ended
	May 17, 2017	May 08, 2017	Mar. 31, 2017
Subsequent Event [Line Items]
Frequency of interest payment			semi-annually
Debt instrument payment period			60 days
Forbearance Agreement \| Subsequent Event
Subsequent Event [Line Items]
Notes outstanding		$ 275,000
Agreement effective date		May 17, 2017
Frequency of interest payment		monthly
Debt instrument, periodic payment, interest		$ 2,864,583
Debt instrument payment period		As part of the Forbearance Agreement, the Company agreed to make monthly (as opposed to semiannual) interest payments of $2,864,583 on the Notes for the periods of April 15, 2017 through May 15, 2017 and May 16, 2017 through June 15, 2017.
Percentage of principal amount agreed to pay as consent fee		0.35%
Interest payment due date	Jun. 15, 2017
Forbearance Agreement \| Subsequent Event \| Minimum
Subsequent Event [Line Items]
Percentage of outstanding senior notes holders agreed to forbear from exercising rights		75.10%