Long-term Debt - Assets Pledged as Collateral (Details) (Steel Energy Ltd and Subsidiaries, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Steel Energy Ltd and Subsidiaries
Debt Instrument [Line Items]
Cash and cash equivalents	$ 14,523
Accounts receivable	24,328
Property and equipment, net	97,702
Intangible assets, net	40,798
Total	$ 177,351