Components of Working Capital - Accounts Receivable, Net Table (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Receivables [Abstract]
Trade receivables, net		$ 192,606	$ 143,341
Other receivables, net		30,415	49,772
Total accounts receivable, net	[1]	$ 223,021	$ 193,113

[1] Accounts receivable, net includes amounts receivable from affiliates (as defined in Note 1) of $76.4 million and $42.5 million as of December 31, 2016 and 2015, respectively. Accounts receivable, net as of December 31, 2016 and 2015, also includes an insurance claim receivable related to an incident at the DBM complex. See Note 1.