Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) Country	Dec. 31, 2014 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Payables to pre-petition creditors	$ 0	$ 3,129
Restricted cash	$ 32	6,980
Number of countries in which segments operate | Country	4
Restricted Cash For Settlement Purposes [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted cash		3,800
SemCAMS [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage mark-up on pass-through of recoverable maintenance costs	10.00%
Minimum [Member] | SemCAMS [Member]
Summary Of Significant Accounting Policies [Line Items]
Maintenance period	4 years
Maximum [Member] | SemCAMS [Member]
Summary Of Significant Accounting Policies [Line Items]
Maintenance period	5 years
Other Current Liabilities [Member] | Discontinued Operations [Member]
Summary Of Significant Accounting Policies [Line Items]
Payables to pre-petition creditors		$ 700