Investments in Unconsolidated Entities Summarized Financial Information (Details) - ODW Holding Limited [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]
Current assets	$ 82,563		$ 82,563		$ 49,427
Noncurrent assets	72,132		72,132		73,340
Current liabilities	54,852		54,852		28,114
Noncurrent liabilities	155		155		$ 233
Revenues	15,412	$ 8,529	75,661	$ 11,147
Costs of revenues	12,837	7,104	63,037	9,811
Net loss	$ 8,291	$ 6,749	$ 3,191	$ 19,325