Organization and Summary of Significant Accounting Policies Basis of Presentation - PPE (Details) (USD $)			12 Months Ended						12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Gas gathering system [Member]	Dec. 31, 2013 Well equipment [Member] Minimum [Member]	Dec. 31, 2013 Well equipment [Member] Maximum [Member]	Dec. 31, 2012 Arkansas [Member]	Dec. 31, 2013 Oklahoma	Dec. 31, 2012 Oklahoma	Dec. 31, 2013 Oklahoma Building [Member]	Dec. 31, 2013 State and Local Jurisdiction [Member] Oklahoma
Property, Plant and Equipment [Line Items]
Allowance for doubtful accounts	$ 100,000	$ 0
Other receivable						9,200,000
Other current assets	8,132,000	2,964,000					3,100,000	400,000
Useful life			14 years	3 years	8 years				39 years
Deferred finance costs	7,400,000	3,500,000
Receivable period for severance tax receivable										1 year 6 months
Accrued incentive compensation costs	$ 6,500,000	$ 5,700,000