Summary of Significant Accounting Policies (Details 3) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Impairments of oil and gas properties					$ 15,200,000
Impairment of long lived assets			9,300,000	8,400,000
Impairment of heavy lift barge		9,300,000		7,700,000
Future reimbursement of decommissioning liabilities			0	7,000,000
Reduction in decommissioning liabilities for work performed			119,600,000	87,400,000	94,700,000
Proceeds from sale of heavy lift barge	$ 3,000,000		$ 1,794,000	$ 59,325,000	$ 188,273,000