Summary of Significant Accounting Policies Insurance Contingency Income (Details) (USD $)	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Contingent performance-based insurance commissions	$ 1,200,000	$ 504,000

Contingent performance-based insurance commissions primarily recorded in the first quarter of the year.

No definition available.

Name:	pebo_Contingentperformancebasedinsurancecommissions
Namespace Prefix:	pebo_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration