Segment and Geographic Information (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated

The geographic segment information provided below is classified based on the major geographic regions in which the Company operates. Long-lived assets are comprised of the Company’s noncurrent assets.

	Three Months Ended June 30,								Six Months Ended June 30,
	2017				2016				2017				2016
	($ in thousands)
Net revenues:
United States	$	17,446	93.1	%	$	51,267	93.7	%	$	39,602	92.2	%	$	97,611	92.9	%
Europe	1,252		6.7	%	2,738		5.0	%	3,147		7.3	%	5,818		5.5	%
Rest of world	44		0.2	%	726		1.3	%	209		0.5	%	1,608		1.6	%
Total net revenues	$	18,742	100	%	$	54,731	100.0	%	$	42,958	100.0	%	$	105,037	100.0	%

Reconciliation of Assets from Segment to Consolidated

	June 30, 2017				December 31, 2016
	($ in thousands)
Long-lived assets:
United States	$	712,152	99.6	%	$	1,047,098	99.6	%
Europe	2,929		0.4	%	4,160		0.4	%
Total long-lived assets	$	715,081	100.0	%	$	1,051,258	100.0	%