DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details Narrative) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Derivative Instruments And Hedging Activities Details Narrative
Interest Rate Swap Loss Gross at June 30, 2012	$ 170
Interest Rate Swaps Collateral Cash at June 30, 2012	750	680
Interest Rate Swap Loss Net of Tax at June 30, 2012	$ 103

The net unrealized gain (loss) to OCI as a result of use of derivative and hedging instruments after any tax effects.

No definition available.

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