Commitments And Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 defendant plaintiff item	Dec. 31, 2012
Number of vessels owned with commitments	20
Estimated lawsuit insurance coverage claims	$ 299,000
Reserves for lawsuit claims	299,000	650,000
Insurance policies with deductibles, minimum amount per claim	1,500
Insurance policies with deductibles, maximum amount per claim	$ 25,000
Number of plaintiffs	10
Number of defendants	40
Waterman [Member]
Number of defendants	1