Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment of intangible assets (excluding goodwill)	$ 3,400	$ 3,400
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Total	4,800	4,800	$ 9,151
Accumulated Amortization	(938)	(938)	(350)
Net Carrying Amount	2,050	2,050
Intangibles, net	3,862	$ 3,862	$ 8,801
Weighted Average Amortization Period (in Years)		3 years	4 years
Trade name and trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	1,812	$ 1,812	$ 5,614
Trade name and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3	3	3
Accumulated Amortization	(3)	(3)	(3)
Net Carrying Amount	0	$ 0	$ 0
Weighted Average Amortization Period (in Years)		0 years	0 years
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,985	$ 2,985	$ 3,534
Accumulated Amortization	(935)	(935)	(347)
Net Carrying Amount	$ 2,050	$ 2,050	$ 3,187
Weighted Average Amortization Period (in Years)		3 years	4 years
Agel | Trade name and trademarks
Indefinite-lived Intangible Assets [Line Items]
Impairments of indefinite-lived intangible assets		$ 3,400