Name:	PSBQ_FundsCommittedToBeAdvancedOnRemainingAvailableLinesOfCreditInConnectionWithImpairedLoans
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The value of loans purchased and originated to other financial institutions.

No definition available.

Name:	PSBQ_LoansOriginated
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Description of the maximum obligation by the company of first lien residential loan principal on behalf of the FHLB.

No definition available.

Name:	PSBQ_MaximumObligationForGuaranteesDescription
Namespace Prefix:	PSBQ_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	instant

Value of modified loan principal converted to capitalize unpaid property taxes.

No definition available.

Name:	PSBQ_ModifiedLoanPrincipalRestructuredToCapitalizeUnpaidPropertyTaxes
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of modified loan principal converted to capitalize unpaid property taxes.

No definition available.

Name:	PSBQ_ModifiedLoanPrincipalRestructuredToCapitalizeUnpaidPropertyTaxesPercentage
Namespace Prefix:	PSBQ_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Value of modified loan principal converted from amortizing principal payments to interest only payments.

No definition available.

Name:	PSBQ_ModifiedLoanPrincipalRestructuredToInterestOnly
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The percentage of modified loan principal converted from amortizing principal payments to interest only payments.

No definition available.

Name:	PSBQ_ModifiedLoanPrincipalRestructuredToInterestOnlyPercentage
Namespace Prefix:	PSBQ_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Value of modified loan principal converted to extend amortization periods or to lower the existing interest rate.

No definition available.

Name:	PSBQ_ModifiedLoanPrincipalToExtendAmortizationOrLowerExistingInterestRates
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of modified loan principal converted to extend amortization periods or to lower the existing interest rate.

No definition available.

Name:	PSBQ_ModifiedLoanPrincipalToExtendAmortizationOrLowerExistingInterestRatesPercentage
Namespace Prefix:	PSBQ_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The value of payments serviced by the company of first lien residential loan principal on behalf of the FHLB.

No definition available.

Name:	PSBQ_PaymentsServicedOnBehalfOfFhlb
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The value of loans purchased and originated by other Wisconsin-based financial institutions.

No definition available.

Name:	PSBQ_PurchasedCommericalAndCommericalRealEstateLoans
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of loan reserves maintained in connection with loans restructured during the year to date.

No definition available.

Name:	PSBQ_SpecificLoanReserves
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The number of variable interest rate loans receivable held by the company which have interest rate caps.

No definition available.

Name:	PSBQ_VariableRateLoansWithInterestRateCaps
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524

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

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Section 563c.102

-Paragraph 8

-Subparagraph j

-Chapter V

-Subsection I

-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph e

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(e))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878