Restriction on Transfers of Funds to Parent (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Restriction on transfers of funds to parent
Maximum amount of approved dividend payments to the parent company.	$ 5.0
Heritage Oaks Bank
Restriction on transfers of funds to parent
Federal Reserve's limitation on advances to parent company as a percentage of contributed capital	20.00%

Represents the percentage limitation of contributed capital and bank retained earnings that the bank may extend to the parent company or other affiliates.

No definition available.

Name:	heop_FederalReserveLimitationOnCreditToParentAsPercentageOfContributedCapital
Namespace Prefix:	heop_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant