Reorganization items, net (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]
Reorganization items, net	$ (21,271)	$ 0	$ (25,146)	$ 0
Professional fee expense	(22,300)		(40,000)
Non-cash gains on rejected contracts	1,000		14,900
Payments for reorganization items	$ 13,600		$ 15,100