XML 41 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Shareholders' Equity and Regulatory Capital - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | Jan. 08, 2013
--- | ---
Equity [Abstract] |
Aggregate capital, amount | $ 80,000

X
- Definition Authorized Share Capital + References No definition available. + Details
Name: | orrf_AuthorizedShareCapital
Namespace Prefix: | orrf_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration