Loans (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Loans Receivable Payment Age Analysis
30-59 Days	$ 1,506	$ 1,126
60-89 Days	476	715
90+ Days	2,885	2,696
Total Past Due	4,867	4,537
Current	526,823	511,811
Total Loans	531,690psbq_DisbursedLoans	516,348psbq_DisbursedLoans
90+ And Accruing	0	0
Commercial Real Estate [Member]
Loans Receivable Payment Age Analysis
30-59 Days	331	376
60-89 Days	0	547
90+ Days	793	1,276
Total Past Due	1,124	2,199
Current	202,376	210,651
Total Loans	203,501	212,850
90+ And Accruing	0	0
Consumer [Member]
Loans Receivable Payment Age Analysis
30-59 Days	11	15
60-89 Days	4	10
90+ Days	0	9
Total Past Due	15	34
Current	3,612	3,533
Total Loans	3,627	3,567
90+ And Accruing	0	0
Government [Member]
Loans Receivable Payment Age Analysis
30-59 Days	0	0
60-89 Days	0	0
90+ Days	0	0
Total Past Due	0	0
Current	10,106	10,037
Total Loans	10,106	10,037
90+ And Accruing	0	0
Commercial and Industrial [Member]
Loans Receivable Payment Age Analysis
30-59 Days	532	284
60-89 Days	49	57
90+ Days	470	610
Total Past Due	1,051	951
Current	118,448	114,978
Total Loans	119,498	115,929
90+ And Accruing	0	0
Agricultural [Member]
Loans Receivable Payment Age Analysis
30-59 Days	0	0
60-89 Days	0	0
90+ Days	122	152
Total Past Due	122	152
Current	5,042	4,102
Total Loans	5,164	4,254
90+ And Accruing	0	0
Commercial Construction and Development [Member]
Loans Receivable Payment Age Analysis
30-59 Days	81	0
60-89 Days	0	0
90+ Days	0	0
Total Past Due	81	0
Current	26,044	11,434
Total Loans	26,125	11,434
90+ And Accruing	0	0
Residential Prime [Member]
Loans Receivable Payment Age Analysis
30-59 Days	361	369
60-89 Days	321	87
90+ Days	1,184	335
Total Past Due	1,866	791
Current	126,481	123,189
Total Loans	128,347	123,980
90+ And Accruing	0	0
Residential HELOC [Member]
Loans Receivable Payment Age Analysis
30-59 Days	79	45
60-89 Days	102	14
90+ Days	171	314
Total Past Due	352	373
Current	23,165	20,304
Total Loans	23,517	20,677
90+ And Accruing	0	0
Residential - construction and development [Member]
Loans Receivable Payment Age Analysis
30-59 Days	111	37
60-89 Days	0	0
90+ Days	145	0
Total Past Due	256	37
Current	11,549	13,583
Total Loans	11,805	13,620
90+ And Accruing	$ 0	$ 0

Total of loans that have been fully disbursed to clients, prior to allowance or deferred loan costs.

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- Definition

Financing receivables that are less than 60 days past due but more than 29 days past due.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

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- Definition

Financing receivables that are less than 90 days past due but more than 59 days past due.

+ References

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+ References

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)

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Financing receivables that are current.

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Financing receivables that are equal to or greater than 90 days past due.

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Recorded Investment in financing receivables that are past due at the balance sheet date.

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