Oil and Gas Disclosures (Unaudited) - Results of Operations from Oil and Natural Gas Producing Activities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Oil And Gas Disclosures - Results Of Operations From Oil And Natural Gas Producing Activities Details
Oil and gas revenues	$ 1,093	$ 394
Less:
Oil and gas operating costs	209	49
Depreciation and amortization	479	212
Accretion expense	0	0
Total oil and gas expenses	688	261
Results of operations from oil and gas producing activities	$ 405	$ 133