Segments Information (Restated) - Other Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segments Information
Other interest expense, net	$ 10,557	$ 12,577	$ 19,961	$ 25,325
Operating Segments
Segments Information
Other interest expense, net	1,362	1,380	2,956	2,776
Corporate, Non-Segment
Segments Information
Other interest expense, net	9,195	11,197	17,005	22,549
Consumer services and plans | Operating Segments
Segments Information
Other interest expense, net	2	4	4	8
Retail | Operating Segments
Segments Information
Other interest expense, net	$ 1,360	$ 1,376	$ 2,952	$ 2,768