Related Party Transactions - Narrative (Details)	1 Months Ended
	Oct. 31, 2016 a	Feb. 28, 2015 USD ($) a	Dec. 31, 2010 USD ($) $ / bbl	Sep. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Related Party Transaction [Line Items]
Receivables from employees				$ 13,000	$ 34,000
Darle Vuelta Cattle Co LLC
Related Party Transaction [Line Items]
Area of land purchased (in acres) | a		100
Payment to acquire land		$ 1,500,000
Darle Vuelta Cattle Co LLC | Salt Water Disposal Well
Related Party Transaction [Line Items]
Price of oil and gas waste per barrel (dollars per barrel) | $ / bbl			0.10
Price of brine or fresh water per barrel (dollars per barrel) | $ / bbl			0.05
Monthly payment on leases			$ 5,000
Subsequent Event | Darle Vuelta Cattle Co LLC
Related Party Transaction [Line Items]
Area of land purchased (in acres) | a	34.81