Short-Term Borrowings And Long-Term Debt (Summary Of Long-Term Debt) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total long-term debt	$ 105,310	$ 120,310
FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	95,000	110,000
Due July 2016, 2.35% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 0	5,000
FHLBP due date	2016-07
Interest rate	2.35%
Due September 2016, 1.18% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 0	10,000
FHLBP due date	2016-09
Interest rate	1.18%
Due October 2016, 1.06% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 10,000	10,000
FHLBP due date	2016-10
Interest rate	1.06%
Due October 2016, 1.10% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 10,000	10,000
FHLBP due date	2016-10
Interest rate	1.10%
Due April 2017, 0.97% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 10,000	10,000
FHLBP due date	2017-04
Interest rate	0.97%
Due November 2017, 1.19% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 5,000	5,000
FHLBP due date	2017-11
Interest rate	1.19%
Due March 2018, 1.17% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 10,000	10,000
FHLBP due date	2018-03
Interest rate	1.17%
Due June 2018, 1.87% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 5,000	5,000
FHLBP due date	2018-06
Interest rate	1.87%
Due November 2018, 1.62% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 5,000	5,000
FHLBP due date	2018-11
Interest rate	1.62%
Due June 2019, 2.10% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 5,000	5,000
FHLBP due date	2019-06
Interest rate	2.10%
Due June 2019, 1.64% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 5,000	5,000
FHLBP due date	2019-06
Interest rate	1.64%
Due June 2020, 1.87% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 15,000	15,000
FHLBP due date	2020-06
Interest rate	1.87%
Due June 2021, 2.14% [Member] | FHLBP [Member] | Federal Home Loan Bank [Member] | PeoplesBank, A Codorus Valley Company [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 15,000	15,000
FHLBP due date	2021-06
Interest rate	2.14%
Due 2034, 2.67%, floating rate based on 3 month LIBOR plus 2.02%, callable quarterly [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 3,093	3,093
Interest rate	2.87%
Long-term debt year due	2034
Due 2034, 2.67%, floating rate based on 3 month LIBOR plus 2.02%, callable quarterly [Member] | LIBOR [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
3 month LIBOR plus rate	2.02%
Due 2036, 2.17% floating rate based on 3 month LIBOR plus 1.54%, callable quarterly [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 7,217	$ 7,217
Interest rate	2.22%
Long-term debt year due	2036
Due 2036, 2.17% floating rate based on 3 month LIBOR plus 1.54%, callable quarterly [Member] | LIBOR [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
3 month LIBOR plus rate	1.54%