Income Taxes (Details)	6 Months Ended
Jun. 30, 2017
Minimum [Member]
Income Taxes (Details) [Line Items]
Examination Period of State and Local Income Tax Returns	3 years
Maximum [Member]
Income Taxes (Details) [Line Items]
Examination Period of State and Local Income Tax Returns	5 years

The examination period of state and local income tax returns.

No definition available.

Name:	rjog_IncomeTaxReturnExaminationPeriod
Namespace Prefix:	rjog_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration