DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014
Derivative Instruments And Hedging Activities Details Narrative
Unrealized loss on interest rate swap, gross	$ 186
Unrealized loss on interest rate swap, net of tax	113
Interest Rate Swaps Collateral Cash	$ 570

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings, net of tax effect.

No definition available.

Name:	PSBQ_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferredNetOfTax
Namespace Prefix:	PSBQ_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration