Foreclosed Assets (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Foreclosed Assets Details Narrative
Total loss on foreclosed assets	$ (573)	$ (1,197)	$ (849)

The total loss, inclusive of net gain on sale, provision for write-down, and periodic holding costs, of foreclosed client assets during the period.

No definition available.

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