Name:	stnd_EmployeeStockOwnershipPlanEsopEmployeesVestingRateInEsopAccountAfterFiveYearsOfService
Namespace Prefix:	stnd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the annual rate at which employees vest in the ESOP account commencing after four years of service or immediately if service is terminated due to death, retirement, disability or change in control.

No definition available.

Name:	stnd_EmployeeStockOwnershipPlanEsopEmployeesVestingRateInEsopAccountAfterFourYearsOfService
Namespace Prefix:	stnd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the annual rate at which employees vest in the ESOP account commencing after six years of service or immediately if service is terminated due to death, retirement, disability or change in control.

No definition available.

Name:	stnd_EmployeeStockOwnershipPlanEsopEmployeesVestingRateInEsopAccountAfterSixYearsOfService
Namespace Prefix:	stnd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the annual rate at which employees vest in the ESOP account commencing after three years of service or immediately if service is terminated due to death, retirement, disability or change in control.

No definition available.

Name:	stnd_EmployeeStockOwnershipPlanEsopEmployeesVestingRateInEsopAccountAfterThreeYearsOfService
Namespace Prefix:	stnd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the annual rate at which employees vest in the ESOP account commencing after two years of service or immediately if service is terminated due to death, retirement, disability or change in control.

No definition available.

Name:	stnd_EmployeeStockOwnershipPlanEsopEmployeesVestingRateInEsopAccountAfterTwoYearsOfService
Namespace Prefix:	stnd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Period of time over which an employee is required to provide service in order to be eligible to participate in the ESOP. This period may be explicit or implicit based on the terms of the award, and may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).

No definition available.

Name:	stnd_EmployeeStockOwnershipPlanEsopRequisiteServicePeriod
Namespace Prefix:	stnd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	stnd_ShareholdersEquityAndShareBasedPaymentsDisclosureAbstract
Namespace Prefix:	stnd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of plan compensation cost recognized during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929

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

Fair value of unearned shares held by the employee stock ownership plan (ESOP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929

Name:	us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Shares contributed to the ESOP that have not yet been released, committed to be released, or allocated to participant accounts. Suspense shares generally collateralize ESOP debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929

Name:	us-gaap_EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929

Name:	us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929