XML 18 R9.htm IDEA: XBRL DOCUMENT v2.4.0.6

Cash and due from banks	12 Months Ended
	Dec. 31, 2011
Cash and due from banks [Abstract]
Cash and due from banks	2.  Cash and due from banks: The Federal Reserve Act, as amended, imposes reserve requirements on all depository institutions.  The Company's required reserve balances, which were satisfied through the restriction of vault cash, were $1,224 and $840 at December 31, 2011 and 2010, respectively.

X

- Definition

Entire disclosure of cash and noninterest bearing demand deposits in other banks.

+ References

No definition available.

+ Details

Name:	pfis_CashAndDueFromBanksTextBlock
Namespace Prefix:	pfis_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_CashAndDueFromBanksAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration