Short Term Borrowings And Long-Term Debt (Summary Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Total long-term debt	$ 50,513	$ 30,815
PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	40,000	20,245
Capital lease obligation	203	260
Due May 2013, 3.46%, amortizing [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	0	245
Interest rate	3.46%	3.46%
FHLBP, due date	2013-05	2013-05
Due July 2015, 1.90% [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	5,000	5,000
Interest rate	1.90%	1.90%
FHLBP, due date	2015-07	2015-07
Due July 2016, 2.35% [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	5,000	5,000
Interest rate	2.35%	2.35%
FHLBP, due date	2016-07	2016-07
Due September 2016, 1.18% [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	10,000	0
Interest rate	1.18%	1.18%
FHLBP, due date	2016-09	2016-09
Due March 2018, 1.17% [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	10,000	0
Interest rate	1.17%	1.17%
FHLBP, due date	2018-03	2018-03
Due June 2018, 1.87% [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	5,000	5,000
Interest rate	1.87%	1.87%
FHLBP, due date	2018-06	2018-06
Due June 2019, 2.10% [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total FHLBP	5,000	5,000
Interest rate	2.10%	2.10%
FHLBP, due date	2019-06	2019-06
Due 2034, 2.27%, floating rate based on 3 month LIBOR plus 2.02%, callable quarterly [Member]
Debt Instrument [Line Items]
Total long-term debt	3,093	3,093
Interest rate	2.27%	2.27%
3 month LIBOR plus, rate	2.02%	2.02%
Long-term debt, due date	Dec. 15, 2034	Dec. 15, 2034
Due 2036, 1.81% floating rate based on 3 month LIBOR plus 1.54%, callable quarterly [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 7,217	$ 7,217
Interest rate	1.81%	1.81%
3 month LIBOR plus, rate	1.54%	1.54%
Long-term debt, due date	Jul. 07, 2036	Jul. 07, 2036