Segment Information (Restated) - Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Segments Information
Assets	$ 2,123,968	$ 1,455,777
Operating Segments
Segments Information
Assets	1,873,454	1,381,396
Corporate, Non-Segment
Segments Information
Assets	250,514	74,381
Consumer services and plans | Operating Segments
Segments Information
Assets	116,233	152,689
Retail | Operating Segments
Segments Information
Assets	$ 1,757,221	$ 1,228,707